Wallpaper Calculator
Calculate number of rolls and glue needed based on wall and wallpaper dimensions.
0 for plain, measure repeat distance for patterned
What is Wallpaper Calculator
Estimate wallpaper rolls and paste before you buy: enter wall width and height, roll width and length, and the pattern repeat — the drops-per-roll math accounts for repeat waste and adds a margin, then estimates paste by wall area. Everything computes locally in your browser.
How to use Wallpaper Calculator
- Enter the wall width and height in metres
- Enter the roll width, roll length and pattern repeat
- Read the roll count and paste estimate in the results
Frequently asked questions
How does pattern repeat change the roll count?
A repeat means each drop must be shifted to line the pattern up, so every drop wastes up to one repeat length. The calculator converts the repeat from centimetres to metres and shortens the usable drops per roll accordingly.
How much paste does it estimate?
Roughly 0.2 kg of ready-mixed paste per square metre of wall — enough for planning, though porous or textured walls can drink more, so buy a little extra.
Is my room data uploaded?
No — dimensions stay in the form state and all arithmetic runs locally in your browser; nothing is sent to a server.
Is Wallpaper Calculator free?
Wallpaper Calculator is completely free — open the page and use every feature with no hidden charges.
Do I need to download or install Wallpaper Calculator?
No download or installation is needed. It is an online tool that runs in the browser on your phone, tablet and computer.
Do I need an account to use Wallpaper Calculator?
No. Use the tool right away — no account or sign-in required.
Does Wallpaper Calculator work on mobile?
Yes. The page is fully responsive and works on phones, tablets and desktop browsers.