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Wallpaper calculator
Estimate rolls with pattern repeat and trimming.
Metric units as labelled. Prices, where used, are in EUR.
Method and limits
Wall height plus trimming is rounded up to a complete pattern repeat when a repeat is supplied. Count whole strips per roll, then round rolls up. Assumes straight matching, constant height and no reuse of offcuts.
Worked example
With the editable starting values: 7 rolls. 19 strips of 2.6 m · 3 strips per roll
- Total wall width (m): 10
- Wall height (m): 2.5
- Roll width (m): 0.53
- Roll length (m): 10
- Pattern repeat (cm): 0
- Trimming allowance per strip (cm): 10
Frequently asked questions
Are these starting values recommendations?
No. They are editable examples. Use your own measurements and the product label or quoted specification.
What should I check before using the result?
Wall height plus trimming is rounded up to a complete pattern repeat when a repeat is supplied. Count whole strips per roll, then round rolls up. Assumes straight matching, constant height and no reuse of offcuts.
Are units and prices converted automatically?
No. These tools use the metric units shown next to each field. Monetary inputs and results are in EUR; enter the relevant EUR tariff or quote. No currency conversion or live prices are applied.