How to use the flooring calculator
- Room length (ft): Measured room length.
- Room width (ft): Measured room width.
- Waste allowance (%): Extra flooring for cuts and matching.
- Coverage per pack (sq ft): Coverage printed on one pack.
- Select the button and review the result.
Worked example
A 15 × 12 room has 180 sq ft before waste.
Method and limitations
Length × width × waste allowance ÷ pack coverage.
Measure alcoves separately and follow manufacturer layout guidance.
Common questions
Why might another result be different?
Inputs, rounding, policies, rates, and assumptions can differ. Compare like-for-like values and use current official information when a rate or rule can change.
Does NidXee save my entries?
No. The calculation runs in your browser. Reloading or closing the page may clear it.