Roll & Bloom started with a simple frustration: the hardest part of a wallcovering project isn't choosing the print — it's working out how much to buy without coming up a strip short or drowning in leftover rolls. So we built the calculator we wished existed, and wrapped it in the field notes we kept learning the hard way.
We make free, genuinely accurate calculators for every kind of wall treatment — wallpaper today, wood slat and acoustic panels now, and more categories on the way — each paired with a plain-English buying guide. Our goal is for you to order once, order right, and love the result.
The calculators are free and always will be. We only point you toward products and methods we'd genuinely reach for ourselves, and we'd rather send you away with the right number than sell you something you don't need.
Our estimates use standard trade methods — the drop method for wallpaper, panel-and-row counting for slat walls — with sensible waste buffers built in. We cite common product dimensions and always tell you to confirm with your installer and buy from a single dye lot. Wall coverings vary; treat our figures as a well-reasoned starting point, not a guarantee.