Paint Coverage Calculator

About this calculator

Use the Paint Coverage Calculator to get 3 linked results (One coat, Two coats, Primer) from a single number. It is built for home & construction jobs where a quick, repeatable answer beats guesswork. Wall area must exclude windows and doors; counting them wastes paint.

How it works

The calculator multiplies your input by a fixed coefficient for each line. For example, every 1 m2 gives 0.083333 L for one coat.

Worked example

If you enter 75 (Wall area (m2)), One coat comes to 6.25 L and Primer comes to 5.3571 L.

Common mistakes

Wall area must exclude windows and doors; counting them wastes paint.
Skipping the check against local building code or manufacturer data.

FAQ

How much one coat do I need per m2?

Each 1 m2 gives 0.083333 L.

How is Primer calculated?

Primer equals your input times 0.071429 L. With 75 entered, that is 5.3571 L.

Are the results exact?

Results are precise sums of the stored coefficients, but real-world one coat varies, so keep a safety margin. This is general information, not professional advice.

What is the most common mistake?

Wall area must exclude windows and doors; counting them wastes paint.

Loading Micro-App...

Variant Title