Interior paint coverage depends on the brand of paint used.
How to find the area of a room to paint.
Click the button to calculate the amount of paint and man hours needed for this job.
The coverage amount is listed on the label of the paint can.
To find the amount of paint you need per wall use this simple formula.
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.
Your paint calculation will update if you change the number of desired coats of paint.
The calculation to find the area of a wall we multiply wall height x wall width.
Input the dimensions of the room to be painted.
If you have the wall measurements calculate area by multiplying the wall s length by its height then compare that with the coverage per can.