Measuring guides & calculators
Everything you need to measure, for every room in your home
Practical, plainspoken measuring guides for flooring, windows, and rugs — plus free calculators that do the math for you. Get the exact number, get on with your project.
- Answer-first guides
- The number you need, in the first two sentences.
- Free calculators
- Do the math for square footage, paint, rugs, and more.
- No fluff, no filler
- Tested measuring methods, written plainly.
Where to start
- Measure a Room
How to measure a room for flooring, carpet, furniture, wallpaper, and square footage.
Explore - Windows
How to measure windows for curtains, blinds, replacement windows, and curtain rods.
Explore - Rugs
Rug size guides for every room, plus rug pad sizing.
Explore - How to Measure
General measuring skills: reading a tape measure and measuring common household objects.
Explore - Home Calculators
Interactive calculators for paint and AC/BTU sizing.
Explore - Bed & Mattress Sizes
Standard bed and mattress dimension reference.
Explore
Not sure where to begin?
Every guide starts with the same skill: reading a tape measure correctly.
Go to How to Measure