Paint Calculator

Get started on your painting projects right here. Enter the dimensions of your space to calculate the amount of paint you'll need.

Length of Room		ft.
Width of Room		ft.
Height of Room		ft.
Width of Molding		ft.
Number of Doors
Number of Windows
Paint Coverage Per Gallon

This Calculator should be used as an estimating tool ONLY. Interior paint coverage depends on the brand of paint used. The coverage amount is listed on the label of the paint can. Paint is usually applied at 350-400 square feet per gallon (primer at 200-300 sq. ft. per gallon).

Painting an Interior Room
Working with Oil-Based Finishes
Working with Water-Based Finishes
Paint Problem Solver

Choose a Primer
Guide To Interior Paint
Picking the Right Interior Paint
A Guide to Paint Applicators

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Paint Calculator