Carpet Calculator 計算機

この計算機は扱います: Estimate room carpet area and order area with waste allowance.

Construction 更新 2026-05-11

入力

Room length (ft or m) Room width (ft or m) Waste allowance (%)

Room area (area units) 値を入力して計算します。

Order area (area units) 値を入力して計算します。

area = length x width; order area = area x (1 + waste percent).

この計算機は扱います: Estimate room carpet area and order area with waste allowance.

A 15 by 12 room has 180 area units before waste.

Use feet with feet or meters with meters.

Pattern matching and seams can increase waste.

What inputs does this calculator need?

Room length, Room width, Waste allowance.

How should I round the result?

Keep extra digits while comparing values, then round for the final decision or report.

Can I reuse the result in another calculation?

Yes, but preserve the original inputs and units so the next calculation stays traceable.