CONSTRUCTION TOOL

Paint Calculator

Estimate paint quantity from surface area, coats, coverage and waste.

FREE ONLINE TOOL

Formula and assumptions

Paint volume = max(0, area − openings) × coats ÷ coverage × (1 + waste/100).

Uses your paint’s stated coverage. Texture, application and colour change actual consumption; check the label and keep a small reserve.

30 m² less 4 m² openings, 2 coats, 10 m²/L and 10% extra: 5.72 L.

STEP BY STEP

How to use paint calculator

IN PRACTICE

30 m² less 4 m² openings, 2 coats, 10 m²/L and 10% extra: 5.72 L.

GOOD TO KNOW

Uses your paint’s stated coverage. Texture, application and colour change actual consumption; check the label and keep a small reserve.