Wallpaper calculator
Estimate wallpaper rolls from room size, roll size and pattern repeat.
Wallpaper calculator
Fill in the fields and the result will appear here automatically.
Use this wallpaper calculator to estimate how many rolls you need for a room.
How it works
Formula and logic
The calculator estimates wall strips and divides them by strips available from one roll.
Example
Estimate rolls for a 5 by 4 meter room with 2.7 m wall height.
Fields and units
- Length — unitless
- Width — unitless
- Height — unitless
- Roll width — unitless
- Roll length — unitless
- Windows — unitless
- Doors — unitless
- Pattern repeat — unitless
- Price per roll — unitless
How to use
- — Enter room dimensions.
- — Enter roll width and length.
- — Add doors, windows and pattern repeat.
Enter room dimensions. Enter roll width and length. Add doors, windows and pattern repeat.
Sources and review status
- Calculation method
- The calculator estimates wall strips and divides them by strips available from one roll.
- Data or methodology source
- Geometry formulas; pack coverage and material consumption come from the manufacturer label.
- Last reviewed
- Limitation
- Before buying, verify the measurements, pack size, production batch and manufacturer instructions.
FAQ
How accurate is this wallpaper calculator?
The result is a practical estimate based on the values you enter and the formula shown on the page.
Does this wallpaper calculator require an account?
No. The calculator works in your browser and does not require registration.
Can I share a wallpaper calculator result?
Yes. Use the share link to copy the current inputs in the page URL.