Measure twice.
Buy once.
Turn dimensions into a practical shopping list.
Paint, flooring, tile, concrete, and wallpaper.
Pick your material.
METRIC MEASUREMENTSPlan a paint job.
Subtract the openings, select coats, and choose an allowance.
m² → L
From measurements to materials.
BuildBench turns room measurements into a first shopping estimate. Its formulas make waste allowances visible and round indivisible packs upward. It is for materials planning rather than structural engineering: measure on site, check product labels, and confirm special layouts before ordering.
Read the guide →What happens to my inputs?
Calculations run in this page. No account, uploads, or tracking cookies are needed. Read the privacy policy for hosting and contact details.
How should I use a result?
Keep your inputs, check the formula, and review the limits listed on each tool page before using an answer.
Can I report an issue?
Yes. The contact page helps prepare an email with an example and the result you expected.