See paint to buy (l) and review calculated liters and net paintable area (m2) using values you enter.
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Paint Quantity Calculator for United States
US · 12,345.67US customary measurementsRoad distance: miles
United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.
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Your details
Enter wall and ceiling area (ft²). The calculation converts these units internally.
Enter doors and windows area (ft²). The calculation converts these units internally.
Enter a whole number.
Enter coverage per us gallon per coat (ft²). The calculation converts these units internally.
%
Example only. Enter the amount or rate applicable to your situation in United States.
Paint to buy (US gal)
6
United States · calculated from your inputs
Calculated US gallons5.825
Net paintable area (ft²)1,130.211
Coats2
Your calculation, beautifully packaged.Download a report with this result, your inputs, the formula, and assumptions.
How this result was calculated
Net paintable area = total area − openings. Litres required = net area × coats × (1 + waste / 100) / coverage per litre per coat. The purchase quantity rounds up to a whole litre.
Country setup: United States. Displayed measurements are converted to the formula's base units internally.
Assumption: Uses the entered values and the units and conventions described in the method. Check these against your source measurements. United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.
Calculation version 1.0.0 · Support state: generic
Formula and method
Net paintable area = total area − openings. Litres required = net area × coats × (1 + waste / 100) / coverage per litre per coat. The purchase quantity rounds up to a whole litre.
This calculation uses the values you enter. It runs in your browser and does not request a location or account.
Worked example
With the sample inputs shown, paint to buy (l) is 23. Change the inputs to model your own case.
Questions people ask
How does the paint quantity calculator work?
Net paintable area = total area − openings. Litres required = net area × coats × (1 + waste / 100) / coverage per litre per coat. The purchase quantity rounds up to a whole litre.
Does this use live local rates or rules?
Uses the entered values and the units and conventions described in the method. Check these against your source measurements.