How To Calculate Paint Needed For Interior
Your paint calculation will update if you change the number of desired coats of paint.
How to calculate paint needed for interior. Click the button to calculate the amount of paint and man hours needed for this job. To find the amount of paint you need per wall use this simple formula. Estimates range between 350 to 400 square feet per gallon of paint on smooth interior plaster walls.
If you know the surface area enter it in the surface area box below then spreading rate and number of coats then click the calculate button. The coverage amount is listed on the label of the paint can. Choosing a finish is an important part of the painting process.
Use this to adjust the values in the paint coverage section below. The number you get is the room s square footage. Estimates require specific calculations for each surface you want to paint.
Mccormick paints recommends one gallon of paint per 300 square feet of interior. In this example you would need slightly less than 2 gallons of paint to cover the walls with a single coat. W x h area in square feet 360 approximate square footage covered by one gallon of paint area 360 of gallons needed to paint your project.
Input the dimensions of the room to be painted. For an easy reference you can use our paint calculator. To work out how much paint is needed for your interior or exterior project use our paint calculator.
Windows and doors on the right hand side of the calculator you can select how many windows and or doors are in the room you re trying to paint so that the calculator knows not to count that square footage in the estimate. To estimate the amount of paint you need in order to cover the walls of a room add together the length of all the walls and then multiply the number by the height of the room from floor to ceiling. How much paint do i need.