🪵 Flooring Calculator

Square footage needed for a room, with a waste factor built in.

Quick answer: a 12×15 ft room (180 sq ft) with a standard 10% waste factor needs about 198 sq ft of flooring. Enter your own room dimensions below.

Room length (ft)

Room width (ft)

Waste factor (%)

10% is typical; use more for diagonal layouts or intricate patterns.

Cost per sq ft ($, optional)

Flooring needed

Enter your room dimensions to see square footage needed.