Small tools for everyday decorating decisions.
Nook is a growing collection of free calculators for the moments where you just need a straight answer — what rug size to buy, how much paint to get, how to space a gallery wall.
Why we built this
Most home-decorating questions have a simple, well-established answer — but that answer is usually buried in a long article or a forum thread. Nook turns those answers into quick, visual calculators so you can get back to the fun part: actually decorating.
How the tools work
Every calculator on Nook is based on commonly used interior-design guidelines. Each tool explains its own logic on the page, so you can see exactly why it gave you the answer it did — not just trust a black box.
Results are estimates meant to guide your decision. Always double-check important measurements before purchasing furniture or materials.