Flooring
How many packs of floor from room area, waste and the box coverage.
Open a calculatorPaint needed
Litres = area × coats ÷ coverage. Coverage is the tin figure in m²/L. A rough wall drinks more than a primed one. Windows you do not paint still sit in a naive area.
m²
Litres
8
Litres: 8
Buy the next tin size up. A second trip costs more than leftover eggshell.
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An educational estimate. Not medical, tax or credit advice.