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Paint Needed Calculator
Illustrative example- Room size
- 4.5 × 3.2 m
- Ceiling height (assumed)
- 3 m
- Coats
- 2
- Doors
- 1
Paint needed
≈ 8.9 litres
area = 2×(L+W)×H − doors; litres = area × coats ÷ coverage
Wall area is 2×(4.5+3.2)×3 = 46.2 m², minus 1.8 m² for the door, ×2 coats, ÷10 m² per litre of coverage.
Assumes a 3 m ceiling and 10 m²/litre coverage — a real MakeACalc calculator lets you change either.
This is a mock-up of the output format, not a real generation — the generator ships with v1 on 13 September.
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