Paint Calculator

Paint Calculator

How much paint do I need? This tool will tell you the amount of paint to complete a renovation project.

   ft2 per gallon
Estimated Coverage Amounts:
Regular: 350 sq. ft. per gallon, or 8.6 sq. metres per litre
Delux: 200 sq. ft. per gallon, or 5 sq. metres per litre

*Actual amounts may vary by application method, type and paint brand.

(click to close)
length (inch) width (inch) height (inch)


Summary of house

Total rooms:
Total windows:
Total doors:

Details of each room

Estimated paint amount

Total area of ceilings:
Total area of walls after subtract windows and doors:
Paint for ceilings:
Paint for walls:

How to use the paint calculator to estimate cost

Before starting to use the tool, two information is required. One is what kind of paint to use and its coverage, paint coverage varies by brand name and the way you use it. Consult your local home center or paint supplier to get this informaiton. Another is measurement of your rooms. If you have baseborad installed, discard the height when you measure the height of wall. After all data is entered, report will be generated to display area information of wall and ceiling, room by room, and total estimated paint usage.