Paint & Flooring Coverage Calculator

All dimensions in metres.

Room length (m)

Room width (m)

Waste / offcuts (%)

0 m²

Flooring to buy (incl. waste)

Room area0 m²

All dimensions in metres. Assumes a standard door (1.6 m²) and window (1.4 m²) per opening.

Room length (m)

Room width (m)

Wall height (m)

Doors

Windows

Coverage (m² per litre)

Coats

0.00 L

Paint needed

Wall area to paint0 m²

About this calculator

Flooring area is simply Length × Width, with a waste percentage added on top to cover offcuts.

Paint coverage starts from the total wall area (2 × (Length + Width) × Height), subtracts a standard allowance for doors and windows, then divides by your paint's coverage rate per litre, multiplied by however many coats you're applying.

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