Wallpaper Calculator

Free result — no account.

Formula

Rolls = ceil(wall area ÷ usable coverage per roll).

Worked example

300 sq ft walls, 25 sq ft usable/roll → 12 rolls.

Source & last checked

Roll coverage labels

Last checked: 2026-09-25

FAQ
Is this exact?

No — estimates only. Verify official sources.

Do you store my numbers?

No — it runs in your browser.

Can I embed this?

Yes — use the embed box below.

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