Paint Calculator

Project measurements

How to measure
  1. Measure each wall’s length and the wall height with a tape measure.
  2. Count the doors and windows you will paint around.
  3. Check the can for coverage per gallon.

Quick start · tap one, then fine-tune

Room size
Ceiling height
Measure by
Ceiling

Results update as you type.

US length fields accept 12.5 or 12 ft 6 in. Your measurements stay in this page.

MAKE IT YOURSProduct & allowance assumptions5 settings · defaults shown · optional

Planning example; replace with measured openings.

Default: 20 ft²

Default: 15 ft²

Editable planning default. Actual product label controls.

Default: 350 ft²/gal

Default: 10 %

Default: blank

Calculator by Nestsums