US double-roll wallpaper calculator
American bolts are often sold as double rolls. Open the cutting plan in inches with a common bolt preset, then save a shareable link.
What it does: Converts wall width, height, and pattern repeat into double-roll bolts and single-roll store equivalents.
What it does not: Subtract small windows — full strips are still cut above and below openings.
Limits: Estimates only — measure on site before you order.
How to use
- Pick a bolt size that matches the label on your roll.
- Enter wall width and height in inches, plus pattern repeat and match type.
- Save project link to send the plan to a partner or installer.
About double rolls
US retailers often list price per single roll but ship double rolls (bolts). The calculator counts strips that fit each bolt length so you order the right number of bolts—not just wall area ÷ coverage.
For half-drop patterns, open the half-drop wallpaper tool; waste usually rises versus straight match.
100% browser-side — measurements stay on your device.