Flooring Perimeter and Trim Length Calculator

Range: 1–300 ft

Use finished wall-to-wall dimensions.

Range: 1–300 ft

Use finished wall-to-wall dimensions.

Range: 0–200 ft

Add the widths of openings where trim will not be installed.

Range: 0–40 %

This is a purchasing allowance for joints and offcuts, not a building-code requirement.

Range: 1–20 ft

Use the actual sell length of the selected molding.