DIY Projects · April 21, 2024

How Much Paint Do I Need? A Paint Calculator to Paint Like a Pro

It is difficult to predict how much paint to buy

It is difficult to predict how much paint to buy, and a pigment reckoner is a helpful resources. Paint calculators allow yous to budget the amount of money you lot necessitate to spend for your project inward advance.

How Much Paint Do I Need

Also, paint calculators turn over you lot the ability to buy the right amount so that you aren’t wasting coin on pigment y’all don’t require.  

how much paint to buy
Aneta Lusina

How Much Paint Do I Need?

The amount of pigment you necessitate depends on a dyad of factors including the size of the room, texture of the wall, colour too type of VOc paint.

We will exhibit y’all how to calculate these numbers past mitt too link to a paint calculator where you can double-bank check your numbers.

Paint Coverage past Size

  • Quart – 100 foursquare feet
  • One Gallon – 350-400 foursquare feet
  • Five Gallons – 1750-2000 foursquare feet

Paint Coverage by Size
Aneta Lusina

Size of the Room or Surface

The almost important constituent inwards determining how much paint yous call for is the size of your room or the surface y’all are picture.


Painting the Walls

  1. First, mensurate the distance or perimeter about the room inwards total feet.
  2. Next, multiply this issue past the height of the walls upwards to the ceiling.
  3. Then, calculate the area of the windows together with doors in addition to subtract this from the full foursquare footage to become your last number.

Example

  1. We are offset alongside a room that measures x feet on two walls and 12 feet on 2 walls. If we add together x + 12 = 22 as well as then multiply this total issue past two, nosotros become 44 feet.
  2. Next, nosotros multiply this issue past the peak of the walls upwards to the ceiling which is viii feet high. Therefore, our numbers wait similar this 44 ft ten 8 ft = 352 foursquare feet.
  3. Then, you need to subtract the square footage from the number of doors too windows you accept inwards the room. We will calculate ane door in addition to two windows in this room. The foursquare footage of our door is 21 sq. feet too the ii windows are each 15 foursquare feet each (fifteen sq. ft. ten 2 = thirty sq. ft.). We add these together as well as and then subtract 51 foursquare feet from our total foursquare footage. 352 sq. ft.- 51 sq. ft.  = 301 square feet.
  4. Therefore, since a gallon of paint covers about 300-400 foursquare feet, you lot necessitate one gallon of pigment for ane coat in this room. If you lot are picture more than than i room the same color, calculate all the square footage together.


Painting the Ceiling

Calculate the total square footage of the ceiling past measuring the length 10 width too multiplying it by 2.

Therefore, if the ceiling measures ten 10 12, so the full square footage of the ceiling is 120 sq. feet. The paint needed for the ceiling for a offset and instant coat is 1 gallon.


Painting Trim

Calculate for the sum of cut past measure the perimeter of the room. To make up one’s mind the correct baseboard total, brand certain to calculate the peak of the baseboard inward the calculation.

The same is truthful of crown molding. If you are determining the total of paint needed for windows together with doors, make up one’s mind the surface area of each as well as add to the full foursquare footage for cut.

Example

We will calculate this number using the previous room instance that is 10 ten 12 feet to observe the amount of paint we demand for the trim. 

  1. The perimeter of the room is equal to 44 feet. 
  2. Next, nosotros calculate this for our 6 inch baseboard around the room. 
  3. We need to subtract iii feet for the i door opening inward the room. Our equation is 44 ft. – three ft.= 41 feet. 41 ft x .v ft (vi inches) = twenty.v foursquare feet.
  4. If we have iv inch crown molding about the room, our calculation looks similar this: 44 ft x .three ft = 13.two foursquare feet. 
  5. If we add the full foursquare feet of the reduce (including the onetime windows and door), it is twenty.five sq. ft. + thirteen.two sq. ft. + 21 sq. ft. + xxx sq. ft. + = 84.vii square feet. One quart, which covers 100 foursquare feet, is plenty for the trim in the room.


Color of the Paint

Color of the Paint
Miguel Marmolejos Fernández

The actual pigment colors yous purchase touch on how much paint yous function. For instance, if you lot are changing your room color from a calorie-free shade to a night shade, y’all call for to paint at least 2 coats of pigment in social club to get the saturated color that yous desire. 

Dark colors call for more than coats of paint. Likewise, if y’all are picture a dark room a light color, you call for more than coats of paint.

If y’all are painting a low-cal-colored room a like or same color, you lot ofttimes use simply ane coat of pigment.

Type of Paint

Type of Paint

There are certain kinds of paints that tin trim back the number of coats that you purpose.

For case, at that place are new paint formulations called “1-coat paints“.

These are combinations of pigment together with primer. Depending on the surface you lot are painting, the i coat formulation is non a guarantee.

Surface Type

Surface Type
Miodrag Kitanović

Different surfaces may demand more or less pigment than others. For instance, rough surfaces like concrete or textured walls volition need more pigment than surfaces that have a glossy complete.

In add-on, surfaces that have never been painted volition soak inward more pigment. Therefore, you lot volition postulate to business relationship for this when yous calculate the sum of pigment you will call for.

In contrast, surfaces that take been painted will non need every bit much paint. Therefore, the sum you necessitate volition live about the amount that y’all calculate using the hand method or amongst a pigment computer.

Application Method

Application Method
Delcea Nicolae Cosmin

The method y’all purpose to utilize the pigment will make up one’s mind the amount of paint you lot volition use. For example, using a sprayer for your interior or exterior volition purpose more pigment than hand brushing.

When yous spray paint, the sprayer will sometimes overspray as well as yous will waste product pigment when you take to empty the sprayer.

Paint Calculators

Many pigment companies feature a pigment reckoner to assistance you lot or your contractor earlier you purchase pigment.


Sherwin Williams Paint Calculator – This handy paint reckoner from Sherwin Williams provides several options: a quick calculator, a custom figurer, in addition to a computer for decks.


Benjamin Moore Paint Calculator – This paint reckoner is clear together with slowly to use.


Behr Paint Calculator – This paint reckoner features or so levels of customization that get in a useful tool to become a crude guess of the pigment you lot necessitate.

Frequently Asked Questions (FAQ)FAQ

How many gallons of paint make I demand?

The number of gallons you need is dependent on the square footage of your room. Each gallon of paint volition embrace betwixt 350 in addition to 400 foursquare feet. If yous calculate that your room is 486 square feet, yous will call for two-3 gallons depending on how many coats of pigment y’all will need. The number of coats of pigment is dependent on the actual paint colors, the surface types, and the application method you lot will use.

How much paint per square pes?

Each gallon of paint is unlike, and you lot should await at specific manufacturers to meet their coverage charts. However, inwards full general, each gallon of pigment will cover about 350-400 foursquare feet.

How much pigment do I demand for ane wall?

The amount of pigment y’all ask depends on the size of the wall. For instance if y’all wall is 12 wide together with nine feet high, multiply these numbers together to determine the square footage of the entire wall. This would await like this: 12 10 ix = 108 foursquare feet. Therefore, yous volition demand only one gallon for a wall of this size for 1 coat or 2 coats of paint.

How much does it price to pigment a room 12×12?

The cost of painting a room is determined past how much pigment you lot take likewise every bit the cost of each gallon of pigment. First, nosotros involve to calculate. the foursquare footage of the room. This room is 12 x 12 amongst viii human foot ceilings. This room has 384 square feet (not including windows as well as doors). If nosotros know that nosotros will purpose around 2 gallons for 2 coats in this room. If the average toll of paint is between $15-$sixty a gallon, the cost will be between $thirty- $120 for the whole room, depending on the sort of paint nosotros select.

Conclusion

It is important to become a rough idea of how much paint y’all ask to buy before y’all buy your pigment.

Using a pigment reckoner as well as applying the tips higher up are important tools to help y’all make merely that.

One of the almost of import parts of a practiced chore is to design well. If you do that, you lot volition be able to spend your time creating beauty rather than worry virtually wasting extra resources. 


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