Measure once, buy the right amount, and skip the guesswork. This free set of home and decor calculators covers the jobs readers ask us about most: paint, tile, wallpaper, rugs, curtains, flooring, room volume and furniture spacing. Pick the tool for your project, enter your measurements, and get a clear answer with the workings shown.
Paint Material Volume
Calculate paint needed for walls, automatically subtracts doors and windows so you buy just enough.
Open calculatorTile Dimension Guide
Estimate the number of tiles for your floor or wall, includes a waste factor for cuts and breakage.
Open calculatorWallpaper Roll Utility
Find out how many wallpaper rolls you need, accounts for pattern repeats and drop matches.
Open calculatorRug Proportion Map
Visualize the right rug size for your room, keep your space balanced and comfortable.
Open calculatorCurtain Panel Scaler
Get the right curtain width and length for your windows, no more awkward lengths.
Open calculatorFlooring Board Matrix
Calculate how many planks you need for hardwood, laminate, or vinyl flooring, with waste allowance.
Open calculatorRoom Volume Analyzer
Measure room volume for HVAC, air purifiers, or just to know your space better.
Open calculatorFurniture Clearance Node
Plan your furniture layout, ensure walkways are comfortable and rooms feel open.
Open calculator