Wallpaper Quantity Calculator

Wallpaper math is drops, not area: divide the wall into paper widths (drops), see how many full-height strips each roll yields (pattern repe

Quick answer: Wallpaper math is drops, not area: divide the wall into paper widths (drops), see how many full-height strips each roll yields (pattern repeat wastes Free, instant, private — runs entirely in your browser.

Wall length (m)Wall height (m)Roll width (cm)Roll length (m)Pattern repeat (cm)

How to use

Fill the fields above — results update as you type.
Adjust any input to compare scenarios instantly.
Nothing is uploaded; everything runs in your browser.

About this tool

Wallpaper math is drops, not area: divide the wall into paper widths (drops), see how many full-height strips each roll yields (pattern repeat wastes length), then add 10% for trimming. This is the same method professional decorators quote by.

FAQ

Wallpaper Quantity Calculator — is it really free?

Yes. No signup, no watermark, no hidden limit — the logic runs entirely in your browser and nothing is uploaded.

Does Wallpaper Quantity Calculator store my inputs?

No. Everything is computed on your device; closing the tab erases it all.

Rate this tool

Your rating stays in this browser (local storage) — nothing is sent to any server.

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The complete wallpaper quantity calculator guide

Prefer the long version — a worked example, the mistakes people actually make, and answers to real questions? The blog guide Wallpaper Quantity Calculator — Complete Guide, Mistakes & FAQ covers all of it step by step.

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Wallpaper Quantity Calculator

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The complete wallpaper quantity calculator guide