Wallpaper Roll Calculator – Strips & Cut Plan

A reliable wallpaper rolls takeoff follows one rule: measure twice, order once. The calculator converts your wall width, height and pattern repeat into dependable quantities using Rolls = Ceiling(Wall Width ÷ 0.53) ÷ Floor(10.05 ÷ (Height + Repeat)), then adds the waste margin that experienced builders apply by default. Example: 2.7 m wall + 64 cm repeat = 3.34 m drop; 10.05 ÷ 3.34 = 3 strips/roll; a 5 m wall needs 10 strips - 4 rolls exactly. Field tip: Count strips, not square meters - it is the only exact roll math. The result is broken down into purchasable units - bags, sheets, rolls or truck loads - so you can order the nearest whole unit without overbuying, and every figure traces back to the formula shown above.

1. 1

   Measure the space

   Record the wall width, height and pattern repeat at the widest and longest points.

2. 2

   Enter the values

   Type the measurements into the calculator and select your units.

3. 3

   Apply the formula

   The tool computes Rolls = Ceiling(Wall Width ÷ 0.53) ÷ Floor(10.05 ÷ (Height + Repeat)) for your inputs instantly.

4. 4

   Add waste and order

   Review the total with a 5-10% margin and round up to whole units.

• Painting gross wall area

• Single-coat assumption

• Ignoring surface texture