Free Home & Decorating Tools
Make decorating decisions with confidence.
Nook gives homeowners and renters free, instant calculators for rugs, paint, wallpaper, curtains, flooring and gallery walls. No guesswork, no spreadsheets.
Explore the toolsThe tools
Pick a tool below. Each one takes under a minute to use.
Rug Size Calculator
Find the right rug size for your living room, bedroom, dining room or office.
Calculate my rug size →Paint Calculator
Estimate how many gallons of paint you need for any room.
Calculate my paint →Gallery Wall Calculator
Plan spacing and layout for a picture-perfect gallery wall.
Plan my layout →Flooring Calculator
Calculate how much flooring material you’ll need, with waste included.
Estimate my flooring →Curtain Length Calculator
Work out the right curtain length and width for any window.
Calculate my curtains →Wallpaper Calculator
Find out how many rolls of wallpaper you need for a room.
Calculate my wallpaper →