Paint Calculator: Coats & Cost

CODEENSIS LTD

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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
• Litres or gallons, rounded up to real can sizes
• Cost from your own price per can
• One, two or three coats, plus a separate primer layer
• Metric or imperial, switched in Settings
• Prices in roubles, euros, pounds and five more, picked from your region

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
• Labour cost from your own rate per square metre

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

HOW MUCH PAINT FOR A ROOM
A 4 by 5 metre room with a 2.5 metre ceiling has about 45 square metres of wall before you take anything off. Two coats of a latex that covers 11 square metres per litre is roughly 8 litres, so three 3 litre cans. The app does that arithmetic with your openings, your coverage rate and your can price, in square feet if you prefer.

PERIMETER OR WALL BY WALL
Measure the perimeter when the room is a plain rectangle. Switch to per wall when it is not, and add as many walls as the room has. A short wall, an alcove or a partial wall goes in with the height you actually measured.

REPEAT OPENINGS
Windows, doors and openings you name yourself. Set the count once and reuse it, so eight identical windows are one entry instead of eight.

TRIM AND SKIRTING
Skirting, architrave and window casing are worked out from run length and width, at their own coverage rate. Trim paint is not wall paint and rarely costs the same.

INTERIOR AND EXTERIOR
Nothing in the maths is indoor only. Enter the spread rate your masonry or exterior paint states on the tin and the same calculation holds.

FOR A DECORATOR PRICING A JOB
Save each room, group them into a project, and read one total for the house. Add your labour rate per square metre and the quote carries materials and labour together.

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. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends, and you can cancel in Google Play subscriptions.

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

Terms of Use (EULA): https://codeensis.com/paintcalculator/terms
Privacy Policy: https://codeensis.com/paintcalculator/privacy

ନୂଆ କଣ ଅଛି

Roubles. The app now ships a rouble option, and a fresh install picks its currency from the device region instead of always starting on dollars.

The currency list is translated: it used to read "US Dollar" and "Euro" in every language.

Wording tidied across both languages.