Paint Calculator: Coats & Cost

Free to calculate, with no ads. Pro adds multi-room projects, paint brand presets and a quote you can hand to a client.

Work out how much paint a room needs, then what it costs.

Enter the perimeter and ceiling height, or measure wall by wall. Subtract the windows and doors so you are not buying paint for glass. Add the ceiling and the trim when the job includes them.

WHAT YOU GET • Paintable area after openings, broken down so you can check the arithmetic • Gallons or litres, rounded up to real can sizes • Cost from your own price per can • One, two or three coats, plus a separate primer layer • Imperial or metric, switched in Settings

FOR PAINTERS • Save rooms and group them into a project • Roll a whole house up into one total • Share one paint order across rooms • Export a quote with your business name on it • Labor cost from your own rate per square foot

COVERAGE PRESETS Latex, oil and primer spread rates are editable. Add the brands you actually buy, then apply one in a tap.

FREE AND PRO Every calculation is free and there are no ads. The free tier saves five rooms. Pro removes that limit and unlocks multi-room projects, quote export and brand presets.

Pro is a monthly or yearly subscription, or a one-time lifetime purchase. Payment is charged to your Apple ID. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends, and you can cancel in App Store settings.

This app calculates quantities and cost. It does not pick colours for you.

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