Painting tool
How much paint do you really need?
Estimate your paintable wall area, gallons, primer, waste, and material cost before you make a trip to the store.
◒Start with your room measurements.U.S. units · Editable prices · No sign-up
PAINTING TOOL
Paint project cost
Estimate paint quantity and cost.
About this calculator
Plan the paint
before you buy.
This paint calculator estimates how much interior wall paint you need based on room dimensions, openings, coats, coverage, and waste. You can also include a ceiling and one coat of primer.
What you can estimate
- Total wall and ceiling area
- Door and window deductions
- Gallons to purchase with overage
- Paint and primer material cost