Flooring Calculator

Find how much flooring to buy for a room, including waste.

Room length

Room width

Waste allowance

Coverage per box (optional)

sq ft

Price per square foot (optional)

How this works

Room length times width gives the base area, then the waste percentage is added on top to cover cuts, mistakes, and trim pieces -- 10% is a common default for a simple rectangular room, but go higher (15-20%) for a room with a lot of corners or a diagonal layout.