How Many Gallons Of Paint To Paint A House Interior

How Much Paint Do I Need?

Credit:Glidden/Glidden.Com How Much Paint Do I Require? – Decorating Your Home Painting Advice Paint Calculator Have you ever been “almost done” painting, and realized you didn’t have quite enough house paint to finish the job? Fill in the blanks below, and click ‘Calculate’ to determine the right amount of paint for your project with our custom paint calculator. Here’s another way to figure out how much paint you will need: Tip No. 1 for the Paint Calculator: One gallon of paint will cover up to 400 square feet, which is sufficient to cover a small room such as a bathroom with a single coat.

This is the most common amount needed, especially when considering second coat coverage.

This is enough to cover a large room or a couple of average-sized rooms adjoining each other.

Paint Calculator Tip 4: Four gallon cans of paint cover up to 1600 square feet, which is enough to cover several average rooms.

Now that you know how much paint you need after using our paint calculator we can help you find the right color and buy your paint online and get it delivered directly to your door or via curbside pickup.

Have you ever been “almost done” painting, and realized you didn’t have quite enoughhouse paintto finish the job?

Wall 1

The values for Height and Width must both be supplied in numeric format in order to be accepted. The values must be given in a numeric format on both sides. The values must be given in a numeric format on both sides. Another method of determining how much paint you will require is as follows: One gallon of paint will cover up to 400 square feet, which is sufficient to cover a small space such as a bathroom, according to the Paint Calculator tip number one. Two gallon cans of paint can cover up to 800 square feet, which is sufficient to cover a room of ordinary size, according to the Paint Calculator Tip 2.

Tips from the Paint Calculator 3: Three gallon cans of paint can cover an area of up to 1200 square feet.

If you are remodeling a space with vaulted ceilings, you may want to think about including an additional can.

If you have a great room, family room, or similar large area, you might want to think about spending this much money.

We can then assist you in selecting the appropriate color and ordering your paint online, which will be delivered straight to your house or picked up at a nearby curbside location. To purchase your paint right now, simply click on the icon below.

How Much Paint do You Need? Picture Guide – Exterior + Interior

We’ve painted more than 2,000 homes, yet determining the proper quantity of paint is still a challenge. Paint is costly, and you don’t want to spend too much money on it (paint stores will not refund an already tinted gallon of paint). We recommend that you purchase around 80 percent of the expected amount of paint you will require at first, and then purchase the remaining portion when you are almost completed. This will prevent you from overspending on paint. However, there are occasions when you don’t have time to make two journeys to the paint store and you have to take a risk and go with your gut instinct.

House Size Body Trim Total Gallons
1500 sq ft. 8 2 10
2500 sq ft. 12 3 15
3500 sq ft. 15 4 19
5000 sq ft. 20 7 27

Paint for the Interior of the House Interior paint will be used more frequently in general since there is significantly greater surface area inside a house than outdoors.

House Size Body/Walls Trim/Baseboards Total Gallons
1500 sq ft. 12 3 15
2500 sq ft. 18 4 22
3500 sq ft. 25 6 31
5000 sq ft. 35 8 43

Factors that can more than DOUBLE the amount of paint you require include: 1. Surface typeA rough surface can increase the amount of paint required by as much as double. Rough surfaces can be found in the following places:

Shingle/Shake Siding

2. How many jackets are there? If you want two coats of paint on a house, you’ll need around 1.5 times the amount of paint. People believe you’ll need twice as much paint, but because the first coat really covers numerous porous spots that would typically absorb paint, the second coat requires far less. 3. Is there a significant shift in color? The amount of paint required when going from light to dark might vary significantly. It may be necessary to apply two or three coats to completely conceal a drastically different color.

  1. 4.
  2. Higher-quality, more costly paints often provide significantly greater coverage than less expensive paints.
  3. Actual Houses that We Painted and the Amount of Paint That We Used Gallons of Body Paint: 15Gallons of Trim Paint: 3Total: 18 Factors: This home was rather large, but it was made up of roughly 30% brick, so we didn’t require as much paint as we would have otherwise.
  4. Gallons of Trim Paint: 2Total: 14 Factors: gallons of body: 8 gallons of trim: 2 gallons of trim total: 10 factors: smaller home that had around 30% brick The following factors are taken into consideration: 1.5 gallons of body;.5 gallons of trim; 2.5 gallons of total.
  5. A tiny bedroom like this often requires no more than 1.5 gallons of paint, with an additional half gallon of paint needed for the door and baseboards.
  6. 16 gallons of body fluid Trim in gallons: 3 gallons There were a total of 19 factors: this house was larger, and half of it was stucco-covered.
  7. A large house combined with a significant color change and a lot of trim equals a lot of paint.

Replace the spray-tips with new ones.

When the tip of the spray becomes worn, the fan of the spray begins to blot in the middle of the area where you are spraying.


We talked about this a bit earlier, but if you make a significant color change, you’ll need additional paint.

Your paint costs will still be higher, but you’ll save money on labor and your home will be more protected as a result of this method.

Whenever you’re spraying a house, it’s critical that you move your arm or wrist at all times.

Many individuals move their arm away from their body during the final half of the sweep, resulting in an inconsistent spray job and paint accumulation in the center.

The following question comes up on a regular basis: ‘Is it preferable to spray or roll your house?’ The answer is that it depends on what you are looking for.

Spraying does not achieve the same level of penetration as rolling, but it can save you a significant amount of money in labor costs because rolling might take twice as long.

As a result, there is no definitive answer as to which is superior; it just depends on what you are searching for.

Only purchase 80% of what you believe you will require.

Your estimate of how much time you have remaining will become clearer as you get closer to finishing.

This prevents you from purchasing an excessive amount of paint. We hope you found this information to be useful. You can now precisely estimate how much paint you will require for a variety of different types of homes. Thank you for taking the time to read this!

About The Author

Chandler Zieg was a self-employed painter in Denver, Colorado, for several years before joining the firm. His previous experience includes starting and selling a moving company that he created with the help of lead services. This experience served as the inspiration for him to launch Painter Choice in 2013.

How Much Paint Do I Need?

Anyone embarking on their first interior homepainting job has stood in the paint aisle, pondering how many paint cans they will need to carry home from the paint store. Make the following calculations ahead of time to ensure that your colors are consistent and that you don’t have to return to the store:

How Much Paint Is Needed for Walls?

  • Begin by adding up the length of all of the walls that need to be painted from one end to the other
  • Then multiply that amount (the perimeter) by the height of the walls, from floor to ceiling, to get the overall height of the building. The area of the room to be painted will be determined by multiplying the two numbers together. Once you’ve completed this calculation, divide your total number by the approximate coverage provided by one gallon of paint (about 400 sq. ft. per gal.). Using this formula, you may calculate how many gallons of paint you’ll need for a single coat of paint on the walls.

More tips on wall paint coverage:

  • Is it possible to put white paint over clean, fresh white paint? Or is it the same color on top of the same color again? One coat may be sufficient
  • Sometimes, two coats may be necessary. Porous materials such as stucco or unpainted drywall absorb paint at a faster rate than smooth surfaces, so you’ll likely need more paint than the quantity predicted. 1-2 gallons of paint should be kept on hand in case of future touch-ups. Purchase any custom paint at the same time to guarantee that the colors are appropriately matched

How Much Paint Is Needed for Ceilings?

To calculate the square footage of the ceiling, use the same thing as you did for the walls: multiply the length by the width. Then, to calculate the number of gallons of paint required, divide the total number of gallons by 400.

Excluding Windows and Doors:

If you are not painting the trim around your doors and windows, do not purchase paint that you will not use. You may compute the square footage of each object by multiplying its length by its breadth, and then subtracting that figure from the total square footage of wall paint.

Or estimate:

Doors are roughly 20 sq. ft. in size, while windows are around 15 sq. ft. Add up how many of each you have in your project space and deduct that square footage from the square footage you have set aside for wall painting. Using the new final figure, multiply it by 400 to get the number of gallons of paint you’ll need for one coat on the walls and ceiling (as long as the doors and windows are left unpainted).

How Much Paint Is Needed for Trim?

Baseboards, windows, doors, and crown molding are frequently painted in a different finish or color than the walls and ceiling of a room, allowing you to calculate your trim paint requirements independently from the walls and ceiling.

  • Add up the length of all of the trim that needs to be painted, then add up the width of all of the trim that needs to be painted. In the event that they are not all the same width, you may need to sort by trim type. To calculate the square footage of trim to be painted, multiply the length by the width. Make a mental note of the amount and divide it by 400 to figure out how many gallons of paint you’ll need for one application. You’ll probably only need a quart or two of trim paint for a standard-sized room, so consider purchasing a quart or two in advance.

How Much Primer Do I Need?

Painting over porous or unpainted surfaces, such as new drywall, with primer first ensures that the paint adheres well and that the paint is applied evenly, as well as that stains are covered up. For a dramatic color change, use a tinted primer in a hue that is close to the paint you want to use to make application simpler. (For further information, see Choosing the Right Primer for Your Project.) The coverage of primer is just 200-300 square feet per gallon, so you’ll need to use somewhat more priming than paint.

How Many Gallons of Paint Needed to Paint a House

Wondering how many gallons of paint are required to paint your home is often one of the first things that any painter asks themselves before setting foot in any kind of paint store or warehouse. Before traveling to the paint store, arming yourself with this information will allow you to be much more conscious and educated than if you were to stroll into your local Sherwin-Williams paint store and ask “I’m painting my house, how many gallons of paint do I need?” After reading this article, you’ll be an expert at determining how many gallons of paint you’ll require before heading into a paint store without thinking!

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Because there are so many factors involved in this calculation, even the most experienced painter or paint store clerk may find that specific subject amusing, and we will address the most often asked questions below.

It is important to understand these variables because they may help you save hundreds of dollars in the long run.

In addition, who wants to store surplus gallons or 5-gallon buckets in their garage or basement once their painting project is over, and you’ve washed your hands of this labor-intensive honey-do project, knowing that you have another one on your to-do list? I am quite aware that I do not.

Knowing What Areas of Your Home to be Painted?

Choosing which portions of your home to paint will help you define your scope of work and identify spots where you will need to determine the amount of paint you will require. Homeowners’ initial inclination is usually to paint the bare minimum because of the economic considerations. Most homeowners, whether they are doing it themselves or using a trained painting contractor, quickly discover that simply painting the trim looks so wonderful that they may as well paint the walls as well, and vice versa, as well.

  1. When painting only a piece of an entire surface and leaving the remainder unpainted, imperfections will undoubtedly show out, leading you to believe that you should paint the complete surface.
  2. Additionally, painting full portions has the advantage of providing a uniform and exact finish while also eliminating the need to worry about painting the other section as soon as possible once the first section has been completed.
  3. In addition, paint fade is the first thing to go on paint degradation, so unless you’re flipping properties and doing things to the absolute bare minimum, you’d be wise to paint or have it painted completely.
  4. If you are simply painting the trim and the siding is a different color than the trim, it will be very hard to apply new caulk where the siding meets the trim unless you paint the entire piece, including the trim and siding.
  5. The idea of cutting corners and conserving the most of the external paint is a nice one at first, but matching paint fading is nearly difficult, and it’s preferable to avoid painting at all since no one loves a poky-dotted home, unless you’re a clown for Barnum & Bailey.
  6. As a result, in Denver, CO, the majority of homes are totally painted since painting contractors are enthusiastic paint lecturers to the general public in this respect, instructing and recommending to paint the whole exterior when it becomes necessary.
  7. In other words, whether you’re thinking about painting a Master bedroom or a living room, make sure you have a couple tubes of White Latex Caulk and a caulking gun on hand before you begin.

It is recommended to use Sherwin-Williams 950, which is a 55-year caulk that goes on extremely smoothly and provides the maximum degree of sealant protection, whether it is used on the inside or outside of a building.

Variables to Consider When Estimating Paint Quantities

Consider the following crucial criteria when evaluating your next painting project: It is critical to avoid having an excessive amount of paint left over after the task is completed. Trying to figure out how many gallons of paint you’ll need to paint your house may be a difficult undertaking because there are so many variables to consider. These deviations should include the following:

  1. The same color as before, or a change in color
  2. Are you using light colors over dark colors, or dark colors over light colors? What is the porosity or non-porosity of your substrate
  3. On average, how many square feet does your paint typically cover? When it comes to painting, how many coats do you intend to put on? In terms of square footage, how large is your painting surface in actual terms?

Painting the walls the same color or a different color is crucial since a gallon of paint will cover significantly more surface area than the recommended coverage recommended on the container of paint. However, exterior coatings require two coats of wet on dry application in order for product warranties to be completely enforced, unless they are Life-Time paints, which require only a single coat of wet on dry application. Painting over the same color can save you roughly 5-10 percent of the paint that is still left in the can when you paint over it.

  1. ft.
  2. You might also use dark foundation colors on light colored walls if your walls are already light.
  3. Paint only covers half of the recommended stated coverage.
  4. system.
  5. Because of this, it is crucial to evaluate the porosity of your substrate in order to determine how much your paint will soak into the surface, leaving a mil thickness on top that you and others will enjoy.
  6. Most paint manufacturers estimate that their paints will cover a surface area of 200 square feet (sq.
  7. ft.).
  8. The viscosity of the paint itself is one of the factors that might cause variations.
  9. This naturally leads to the question of how many coats of paint I intend to use.
  10. Last but not least, determining the exact square footage of the painted surface is necessary.

I understand that putting this off until the last minute was exactly what you had in mind. And, no, I cannot read your thoughts, but math is usually kept for last since it is the greatest and most absolute of all the sciences.

Calculating Gallons of Paint Needed

I didn’t want to get too technical and get bogged down in mathematical formulae, so I came up with a method of calculating the number of gallons that is virtually scientific in nature and does not need spending a day in front of a calculator. Just so you know, math was one of my least favorite topics in high school, but learning how to use it has made my life significantly simpler. I understand that the numbers below appear to be a lot, but after you grasp them, there are only a handful that you will use in real life, much as Algebra was in high school.

Interior Paint Gallon Calculations

If you want to paint a 10′ by 10′ room with an 8′ ceiling, the dimensions are 10′ wide x 8′ tall x 4 = 320 sq. ft. If the ceiling is to be painted, add an additional 100 square feet, for a total of 420 square feet. If you want to paint a 10′ by 10′ room with a 9′ ceiling, the dimensions are 10′ wide x 9′ tall x 4 = 360 sq. ft. If the ceiling is to be painted, add an additional 100 square feet, for a total of 460 square feet. If you want to paint a 10′ by 10′ room with a 10′ ceiling, the dimensions are 10′ wide by 10′ tall X 4 = 400 sq.

If the ceiling is to be painted, increase the square footage by 100 square feet, for a total of 500 square feet.


This will make it extremely simple to compute the complete interior of a home as you move the decimal point over one using these values, as you move the decimal point over one!

8′ 3.2 4.2
9′ 3.6 4.6
10′ 4.0 5.0
12′ 4.8 5.8
14′ 5.6 6.6
16′ 6.4 7.4
18′ 7.5 8.5
20′ 8.0 9.0

Multiply the total square footage of your property by the number of ceilings, which is one more full number! Then divide the average gallon coverage by 250 sq. ft. to get the total square footage.

  • With an 8′ ceiling height, 2000 square feet times 3.20 or 3.2 equals 6400 square feet (250) = 26 gallons. Adding a ceiling requires 2000 square feet multiplied by 4.2 equals 8400 (250) gallons.

A total of 9600 square feet is equal to 3000 square feet multiplied by 3.2o or 3.2 = 9600 square feet (250) = 38 gallons It takes 12,600 (2) gallons of water to raise the ceiling by 3000 sq. ft. x 4.2 = 50 gallons.

  • A 9′ ceiling height equals 2000 square feet times 3.60 or 3.6 equals 7200 square feet times 250 = 29 gallons. Adding a ceiling requires 2000 square feet multiplied by 4.6 equals 9200 (250) equals 37 gallons.

3000 square feet multiplied by 3.6o or 3.6 = 9600 square feet (250) = 38 gallons It takes 50 gallons to add a ceiling that is 3000 square feet x 4.6 = 12,600 (250) gallons.

  • A 10′ ceiling height equals 2000 square feet multiplied by 4.00 or 4.0 equals 8000 square feet (250) = 32 gallons The cost of adding a ceiling is 2000 square feet multiplied by 5.0 is 10,000 (250) = 40 gallons.

3000 square feet multiplied by 4.00 or 4.0 equals 12,000 square feet (250) equals 48 gallons Adding a ceiling requires 3000 square feet multiplied by 5.0 = 15,000 (250) = 60 gallons.

  • A ceiling height of 12 feet equals 2000 square feet multiplied by 4.80 or 4.8 equals 9600 square feet (250). Adding a ceiling requires 2000 square feet multiplied by 5.8 equals 11,600 (250) = 46 gallons.

3000 square feet multiplied by 4.80 or 4.8 equals 14,400 square feet (250) = 58 gallons Adding a ceiling requires 3000 square feet multiplied by 5.8 equals 17,400 (250) gallons.

  • 14′ Ceiling Height5.6 for walls only6.6 for walls and ceiling
  • 16′ Ceiling Height6.4 for walls only7.4 for walls and ceiling
  • 18′ Ceiling Height5.6 for walls only6.6 for walls and ceiling
  • Ceiling heights of 18′ are 7.5 for walls only, and 8.5 for walls and ceiling
  • Ceiling heights of 20′ are 8.0 for walls only, and 9.0 for walls and ceiling.

Giving you some homework will allow you to fill in these components, the final four ceiling heights, with the confidence that your estimates will be accurate as well as your calculations. This is only one of the financial factors to consider when painting interiors, and there are many more to consider. If you are planning to paint in the near future, you may want to think about the other crucial factors that will have a direct impact on the ultimate out-of-pocket expenditure you will have to pay for the project.

Those may be found here; and because Denver is a national average, it will serve as a decent gauge for what you might expect. Then it’s time to roll up your sleeves and either put on your painting clothes or hire a qualified painting business to do the job for you.

Exterior Paint Gallon Estimations

The same principles that apply to estimating paint apply to estimating exterior siding and trim. The average coverage per gallon is calculated by multiplying the height by the length and dividing the result. Interior and exterior paints both cover the same square footage, but you must remember to include soffit, gutters, and any additions like as chimneys, sheds, and awnings, as well as porches, roof coverings, and overhangs in your calculations. In general, the amount of gallons required for trim is one-fifth the number of gallons required for the main color of siding.

Review of Exterior Paint Gallon Coverage in a Hurried Manner The number of gallons of exterior paint required to adequately paint your home will ultimately be determined by the size of your property.

  • What is the square footage of the living area in your home
  • What kind of exterior do you have
  • What color is your house? How well-maintained are your painted surfaces at the moment? The number of paint coats that you want to use

Understanding the size of your home has a direct influence on the size of the outer surfaces that protect you from the elements on the inside. Knowing this, we will presume that the majority of your exterior has been painted, unless you have a brick home and do not desire to paint it in that case. Generally speaking, most homes in Colorado, the North West, New England, and the South West have painted surfaces such as MasoniteTM, stucco, or cedar siding, which we shall utilize for calculation purposes in the following areas: Visually inspecting your external siding can provide you with a fair indication of the state in which your paint is currently in.

In the aftermath of this, the coating begins to break down, enabling water to seep into the surfaces through the nails and fasteners.

In order to avoid this, pay particular attention to the bottom margins of the siding.

When painting your exterior, it is recommended to scrape first problem areas where there is a lot of peeling, cracking, or blistering of paint, and then either prime with a high bonding primer, or use a primer included into the paint mixture, which requires just one coat of paint to be applied.

  • Stucco surfaces require an elastomeric paint that has been designed particularly for stucco surfaces.
  • As a result, when dry, it has a flat paint sheen finish that seems to be part of the Stucco itself, which is highly crucial when using this product.
  • Elasticity, elongation, and tensile strength are three crucial factors in identifying the finest Elastomeric paint, and all three of these characteristics outperformed the competition hands down!
  • It is suggested to use two coats of wet on dry paint if not using a Life-Time paint such as HarmonyTM or DurationTM by Sherwin-WilliamsTM in order to receive the product warranty of 25 years.
  • Unless, of course, you do not want to do one of these things and instead pay a professional to take care of the situation for you.

Environmentally friendly painters in Denver, Eco Paint, Inc., who adhere to the paint manufacturer’s instructions to the letter, paint thousands of houses across Colorado’s Front Range each year, providing great quality and professional results.

So an Average Home’s Size and Gallons of Paint Needed Painting Exteriors

Despite the fact that these figures are based on an average across most exterior painting projects, your amounts may vary depending on the surfaces and applications used. 2 coats of siding paint are required, as is 2 coats of trim paint.

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Siding Paint Needed, 2 Coats Under Roof Home Siding Paint Gallons Trim Paint Gallons
1050 Sq. Ft 30′ X 35′ 10 Gallons 2 Gallons
1800 Sq. Ft 40′ X 45′ 12 Gallons 3 Gallons
2000 Sq. Ft 40′ X 50′ 13 Gallons 3 Gallons
2250 Sq. Ft 45′ X 50′ 14 Gallons 3 Gallons
2500 Sq. Ft 50′ X 50′ 15 Gallons 4 Gallons
2750 Sq. Ft 50′ X 55′ 16 Gallons 4 Gallons
3000 Sq. Ft 50′ X 60′ 17 Gallons 5 Gallons
3250 Sq. Ft 50′ X 65′ 18 Gallons 5 Gallons
3500 Sq. F 50′ X 70′ 19 Gallons 6 Gallons
3750 Sq. Ft 50′ X 75′ 20 Gallons 6 Gallons
4000 Sq. Ft 50′ X 80′ 21 Gallons 7 Gallons
4250 Sq. Ft 60′ X 70′ 22 Gallons 7 Gallons
4500 Sq. Ft 60′ X 75′ 23 Gallons 8 Gallons

Knowing these longer warranty paints cost much more, it’s even more important to estimate your gallon quantities, knowing that you can’t return unopened cans for refund. Let’s say you have 2 – 5gallon buckets of paint left over, costing $245.00 each, you just ate $490.00. I don’t know about you, but I could use an extra $490.00. Take the family out for dinner and a movie or Baskin-Robbins afterwards, I don’t know. Hoping this helps you figuring your next purchase of paint painting your interior or exterior, remembering you’ll want at least a portion left over, say 1/2 of a gallon for any touch-ups later, after you’ve had a chance to look over more carefully.

Additional information can be found at Your bestfreeDenver house painting prices!

Eco Paint, Inc.

Paint Calculator – Determine How Much House Paint You Need

Fill in the blanks with the measurements of your painting job, and the tool will determine the number of square feet and how much paint you’ll need per gallon for your interior room, ceiling, or siding on the outside.

Ready to start yourPainting Project?

Before you begin, take the dimensions for the rooms shown in the table below, rounding to the closest foot. Using the special case guidelines on how to calculate this square footage if you have cathedral ceilings that generate sloping walls, you may calculate this square footage. Do not be concerned about eliminating parts that will not be painted, such as windows and doors, in order to guarantee that you will have enough paint. There is an automatic addition of a ten percent waste allowance to the total amount due.

1. Wall Height

Before you begin, measure each room on the list below to the closest foot and round the results. You should follow the special case guidelines on how to calculate this square footage if you have cathedral ceilings that result in sloping walls. It is not necessary to exclude parts that will not be painted, such as windows and doors, in order to guarantee that you have enough paint. There is an automatic addition of a ten percent waste allowance to the total amount charged.

2. Wall perimeter for areas you plan to paint

Each wall’s length should be measured. Add together all of the length measurements to get the total horizontal distance, often known as the perimeter.

3. Ceiling width and length

If you do not want to paint your ceiling, you may skip this step.

4. Sloping ceilings (if applicable)

A triangle wall gap is created by sloping walls. When calculating the square footage of a triangle, multiply the length of the wall at the base of the triangle by its height and divide by two to get the result.

How to Calculate:

Use this easy calculation to determine the amount of paint you’ll need for each wall: AREA in square feet is equal to W x H.

360 is the approximate square footage that one gallon of paint will cover. AREA / 360 = number of gallons required to complete your project

Types of Paint

The selection of a paint finish is a key step in the painting process. Consult with a local painter to ensure that you obtain the finest results possible. To tide you over till then, here’s a broad summary to get you started:


The eggshell and satin paint finishes are great for painting the interior of your house since they are so simple to clean. Semi-gloss paint is a fantastic choice for bathrooms since it can withstand more moisture than other types of paint. Matte coatings are best used in low-traffic areas since they are more susceptible to stains.


Low-sheen or semi-gloss finishes are preferable for outdoor painting since they are simpler to clean. Some professionals favor high-quality flat latex acrylic over other types of acrylic. Keep in mind that the greater the gloss grade, the more visible the surface defects beneath the paint will be, so choose your paint carefully.

Cost Factors

While every painting project is unique, there are a few aspects that are certain to have an influence on the cost of your painting project. Keep a watch out for the following cost considerations:

  • The dimensions of the room
  • The number of rooms available
  • Whether or not the ceiling will be painted
  • Ceilings that are sloping
  • Areas that are difficult to access
  • Walls with texture
  • The type of paint used
  • Brand of paint
  • Labor costs

Average cost of an interior paint job:

The average cost of painting a home’s interior is $1,780. Painting a full 2,300-square-foot home may cost anything between $4,000 and $11,000.

Average cost of an exterior paint job:

On average, an exterior paint job will cost you $2,825 in the United States. Painting the exteriors of stucco and brick homes costs on average $1 more per square foot than painting the exteriors of vinyl or wood homes.


It would take around 1.5 gallons of paint to cover a 12’x12′ room with walls that are 8 feet high.

How much does 5 gallons of paint cover? How much does a quart cover?

A gallon of paint may cover an area of up to 1,800 square feet, according to our paint estimate. A quart of paint will cover approximately 90 square feet of surface area.

How many square feet does a gallon of paint cover?

A gallon of paint may cover an area of up to 1,800 square feet, according to our paint estimater. Approximately 90 square feet of space may be painted with a quart of paint

How much paint do I need for 2,000 square feet?

According to our paint calculation formula, 5.5 gallons of paint should be adequate to cover 2,000 square feet of surface area.

How many coats of paint do I need?

If you are using priming, two coats of paint are generally sufficient protection. However, the number of layers required varies according to the quality of the paint and the color chosen. Painting a light shade over a dark shade, for example, may need the use of additional layers.

Ready to start yourPainting Project?

Painting is similar to most do-it-yourself(DIY) jobs in that a significant amount of the hard work is in the preparation. After selecting the appropriate color and gloss, calculating the amount of paint you’ll need, taping and priming, painting is by far the most straightforward aspect of the project. Choosing a Color for Your Walls Not sure where to begin when it comes to selecting a paint color? We understand what you’re saying. When there are so many alternatives available, it may be difficult to know where to begin.

  • We offer hundreds of color selections to choose from, including brands such as Valspar ® and HGTV Home ® by Sherwin-Williams, to choose from.
  • The length, breadth, and height of your space, as well as the number of doors and windows, should all be measured.
  • Paint Materials That Are Absolutely Required To get started, you’ll need a range of different products in addition to paint and primer (or paint that includes primer built in).
  • Check out our how-to guideHow to Paint a Room for a thorough list of all of the equipment and materials you’ll need.
  • If you’re working on another paint project, such as painting kitchen cabinets, be sure to read our guideHow to Prep and Paint Kitchen Cabinets for more information.
  • In addition, we offer a Spray Paint Fundamentals guide.

Paints of a Different Nature Our inventory of paints includes a range of additional paints, such as interior stains and finishes for the home, polyurethane for furniture, and epoxy paint for projects such as painting garage floors, among other things.

How Much Paint do You Need? [Estimating Paint to Buy]

When it comes to painting a car, a home, or any other large item, you will want a tool that is both quick and efficient. That is why people are becoming more aware of paint sprayers, which save time and energy while also boosting the overall quality of the finished product. When it comes to painting your magnificent house, you’ll need to know exactly what kind of paint you’ll need in order to accomplish the job effectively. A great deal should be taken into consideration in order to get superior results.

To be quite honest, the larger your home is, the more high-quality paint you will require.

There are many different types of paints, and each has a particular spread rate that is used to establish the actual square footage per gallon.

Don’t miss out on our synthesised knowledge on determining the appropriate paint amount for your beautiful home.

Basic Steps to Determine the Right Paint Amount

Nothing beats a fresh coat of paint when it comes to giving your home a new lease on life. It makes little difference whether you are following your own DIY designs or hiring someone else to do the project. An aged space may be easily transformed with a fresh-look paint application. This home repair project, on the other hand, necessitates meticulous preparation. If you know how many gallons of water you’ll need for a 1500-square-foot house before you start, your project will go more smoothly.

Measuring the Surface

When estimating the amount of paint to use, it is necessary to first determine the size of the painting space. To determine the surface area of a specified surface, first measure the width and length of the surface being considered. After that, multiply the length by the width to get the square footage of the room. A previously unpainted surface that is rough, porous, or textured will almost certainly necessitate the application of additional paint layers. The reason for this is because such projects will necessitate a significant hue shift.

If the color change in the home is only a mild one, you may simply buy less paint to make up for it.

Calculators for both interior and exterior paint are quite useful.

Estimate the Proper Size of Your House Body

To begin, take a measurement around the perimeter of your painting house. Next, establish the precise height of the home from its base to its roofline, taking into consideration any gables. Then multiply the home’s perimeter by the computed height to get the overall height. Subtract the area of your windows and doors from the calculation of your wall area to get a more accurate approximation. A typical window measures 15 square feet in size.

Furthermore, the average door occupies around 20 square feet. If your house has gables, measure the width by the height of the gables and divide the results by two. This computation should be repeated for each gable. Then have the whole result multiplied by the house’s overall height and width.

Find Out the Paint Needed for the Trim and Gutter

In order to accurately estimate the exact quantity, you must first accurately evaluate the length of the overall trim. The typical width of the trim is roughly six inches in length and breadth. Calculate the total length of the trim by multiplying it by 0.5 feet. You must also determine the overall length of the gutter before proceeding. Each linear foot of gutter will be about equal to one square foot in surface area.

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Get the Final Results

As a result of combining the gutter and trim estimates, we can see that extra paint is required for each of them. For the doors, all you have to do is multiply their width by their height to get the correct amount of square feet. Notes:The following items are required for outside space:

  • To calculate the outside square feet, multiply the height of each of your external walls by the expected width of each of your exterior walls. In order to determine the overall square footage, add together the square footage computed for each of your external walls.

Material Viscidity

Before placing any item into the sprayer, it is necessary to understand what each gadget is capable of handling. Because the airless paint sprayer employs high pressure to spray the paint, there is no need to thin the components before using them. This sprayer is capable of handling a wide range of viscosities. Meanwhile, the air paint sprayer is not suited for use with thicker materials that do not meet the necessary thinning standards. It is also recommended that you avoid using enamel latex paints with this sprayer since it is unable to withstand the high pressure it produces.

How Much Paint does it Need for a 1500-Square-Foot-House?

First and foremost, you must understand what each gadget is capable of handling before putting any substance into the sprayer. Because the airless paint sprayer sprays the paint at a high pressure, there is no need to thin the materials before using them to spray them. A wide range of viscosities may be easily handled by this sprayer. For now, keep in mind that the air paint sprayer is not suited for use with thicker materials that do not meet the necessary thinning criteria, and that you should avoid using enamel latex paints with this sprayer since it is not designed to withstand high pressures.

Determine the Right Amount of the Paint Coverage

What you’ll need to do with the square footage you’ve accumulated is figure out how much space each gallon of paint will cover. In most cases, this computation may be completed quickly and easily in-store or online. A gallon of paint may potentially cover a surface area of 350 square feet, which is a reasonable estimate.

  • This is something to take into account. After that, you will be able to figure how much paint is required by dividing the total square footage by 350 and multiplying the result by the square footage measured. Round the number up to the next whole number
  • Afterwards, double the length of your home by the actual height of your home. Ten feet in length times ten feet in height results in a square footage of one hundred square feet. “How do I calculate how much paint I need?” is the question that this article answers.

Consequently, 12-15 gallons of high-quality paint would be required to paint an ordinary 1200 to 1500-square-foot rambler home in around two coats. This figure also covers the cost of painting the siding, overhangs, and soffits of the house.

  • Prepare for the accent trim to be applied. The gutters, fascia, and window trim will each require 2 to 3 gallons of paint, depending on the size of the project. When painting a typical two-story house (about 2,500 square feet), it is recommended that you use up to 25 gallons of high-quality paint
  • This amount is for the soffits, siding, and overhangs. In addition, 3 to 5 liters are required for the highlighted trim. When painting bigger houses (almost 3000 square feet), around 25 to 30 gallons is sufficient, and about 5 to 7 gallons is needed to get the desired look with the accentuated trim.

How many square feet does 5 gallons of exterior paint cover in one application? This question may be addressed once the aforementioned method is used to calculate the actual amount of money. You should now understand how to calculate how much paint you require. Decide whether or not you want to paint the ceiling as well.

  • Calculate the appropriate square footage by multiplying two adjacent sides together
  • Ceilings, particularly popcorn and acoustical ceilings, typically require up to 85 percent more paint than other areas of the house. In addition, the calculation for ‘How much exterior paint do I need for a 1500-square-foot house?’ may be used in this case.

All Paints aren’t the Same

Always keep in mind that not all paints are made equal! Due to the fact that it may affect your budget in a variety of ways, the cost also determines the amount of pain that is required for your home. Different brands of paint are also available at a variety of pricing points. Take into consideration the option that is both cost-effective and qualified.

Make sure to discuss your budget to the store’s employees when you arrive so that they can provide you with the finest advise possible when you arrive. If you want, you might go over the recommendations on the website first.

Some Affordable Paint

We can see that having a brightly colored house is something that many users desire. Choose one that is reasonably excellent and reasonably priced. This will successfully protect you from having to repaint with more gallons in the near future. Pay a premium for paint that emits the least amount of fumes or has a super-quality look. Painting America, Inc. is a company that specializes in high-quality paint and delivers amazing results. When it comes to painting your home, you don’t have to utilize many different colors.

  • As a result, the coverage is guaranteed to endure at least 15 years.
  • You will, without a doubt, receive a quality product that is worth your money.
  • The price paid for high-quality paint is inherently higher than the price paid for all low-quality paint.
  • These paints will have excellent color retention, durability, and adherence because of the extraordinary chemicals that have been incorporated.

How Much Paint Do We Need for the Interior Space of a House?

Many homeowners choose to do the inside painting process themselves rather than the outside painting effort. And, to be honest, it’s the ideal solution for updating your private area without having to spend a fortune on new furniture or undertake time-consuming and expensive repairs.

Measure the Interior Space (Real Square Footage) for Painting

Decide on the sort of color transition you anticipate to see. Some prefer to use priming, while others prefer to apply numerous coats of paint instead. If you’re only applying another layer of paint that’s the same color as the one you used a few years ago, you may skip the priming and use a single coat of paint.

Start the Measurement

Once you’ve computed the square footage of the interior, multiply the result by 350 to get an estimate of the total square footage. This is the widely accepted average amount of paint coverage per gallon of paint. The area required for a primer is around 200 square feet. Following the division, you’ll have no trouble obtaining the needed amount of gallons of paint. Calculate the amount of paint you’ll need to buy in order to save the most money feasible. Just make sure you have plenty! You may easily determine the cost of the painting plan based on the amount you paid for your favorite paint brand based on the results of the analysis.

What About the Overall Cost?

So, what is the approximate cost of painting a 1500-square-foot house? Considering the subject topic, this may be a common inquiry. Let’s take a moment to recognize yourself by providing you with the information shown below. Another element that clients should take into consideration before painting their home is the cost breakdown of the paint they want to use. People normally have to spend between $1,100 and $1,350 for the whole cost of paint and supplies, so keep your personal budget in mind to save money.

  • Any property with a main floor area of 3,000 square feet or more may cost $2,700 to $3000 or more.
  • Calculate the square footage of the wall by multiplying it by the usual 350 square feet per gallon.
  • What is the cost of a gallon of paint?
  • As a result, the charge for covering the walls of the bedroom would be $8.

‘How much paint do I need for one wall?’ or ‘How much paint do I need to paint my entire house?’ are both simple questions to ask and answer. You also know how much it will cost you to cover a 5 gallon pail of paint with primer.

Top Tricks For Using Less Paint For Your House

There are really various tips for consumers to employ in order to conserve the paint on our beautiful homes’ exteriors. This also safeguards your budget for paying for the house painting project. Let’s get started on your genuine explosion right away!

1Only Utilize The Quality Paint

We have to address this issue sooner rather than later since a drastic color shift indicates that more paint is required. The use of high-quality paint will usher in the great color revolution. Because you will only need to coat one layer of paint for the greater expenditure of purchasing paint, it will be a more cost-effective move to do so because you will only need to coat one layer of paint for the greater expense of purchasing paint. However, you may be able to save money on the labor side of things by providing greater security for your gorgeous property.

Furthermore, various hues of the same paint kind might cover in different ways.

2Replace The Spray-Tips On Time

When compared to an unfamiliar spray tip, all old spray tips will require significantly more paint. If the tips of the spray are suddenly worn out, the fan that comes with the spray will begin blotting in the center of the area where you are spraying. This increases the amount of waste produced by painting directly on the area that is being sprayed, which can save a significant amount of paint in the process. Furthermore, this movement may result in an uneven and poor coat across the entire perimeter of all of the spray fans.

3Get Your Wrist Bent While Spraying

When you’re spraying your house, it’s impossible not to move your arm or wrist every few seconds. Ideally, you should have a distance of 12-18 inches between you and the rail siding at all times. When it comes to the final stage of the sweep, a large number of householders will draw their arms away. This support causes uneven spraying and even the appearance of paint buildup in the midst of the process, so be aware of this impact. If you know how to manage it properly, you may also enhance the overall quality of the finished product.

4Use The Rollers Instead

Is it better to spray or roll the houses? This is a question that is frequently posed. The actual response is correctly that it simply relies on our personal preferences. Rolling a home necessitates the application of less paint. It does, however, provide adequate coverage for the finer trim and siding. Nonetheless, this allows us to save a significant amount of money on labor costs, whereas rolling may be twice as expensive. When spraying, you may also apply extra protective paint to the exterior of your home.

5Only Get 80% of What You Need

When you have a good idea of how much paint you will need for your home, just purchase around 80 percent of the whole amount. When you’re getting near to the finish line, you’ll undoubtedly have a better understanding of what a professional home painter should be doing.

You will avoid purchasing an excessive amount of paint if you make the appropriate option. The excess amount of paint may result in a financial and time drain on your resources. Always use the square footage calculators for both the inside and outside of a building.

Final Verdict

We really hope that this educational advice was of great assistance to you. You can now accurately estimate the amount of paint necessary for a broad variety of different types of dwellings. No longer will you have to be concerned about the amount of paint needed for your 1500-square-foot home. Thank you for taking the time to read this!

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