Paint Calculator
Gallons or liters for your walls, and which cans to buy.
Free renovation and construction calculators
Estimate materials, waste, cost and supplies for your next DIY project. Get the number of boxes, bags or cans to buy, not just square feet.
Popular calculators
Tile Calculator
Tiles and boxes for floors and walls, with waste for cuts.
Laminate Flooring Calculator
Boxes of laminate, underlayment rolls and trim.
Drywall Calculator
Sheets, screws, joint compound and tape.
Paver Calculator
Pavers, base gravel, bedding sand and edging.
Wallpaper Calculator
Rolls counted by drop, including the pattern repeat.
Concrete Screed Calculator
Volume and bags, or cement and sand, for a floor screed.
Grout Calculator
Pounds or kilograms of grout for your tile and joint.
All calculators
No calculator matches that yet. Try a material such as tile, paint or gravel, or suggest a calculator.
How it works
Enter your measurements
See what to buy
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Why is it free?
Every calculation runs in your browser. There is no account, no server storing your numbers and no cookies, so the site costs little to run.
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Which calculator do I need?
| Project | Start with | Then |
|---|---|---|
| Tiling a bathroom floor | Tile | Tile Adhesive, Grout |
| Painting a room | Paint | Primer, Ceiling Paint |
| New laminate floor | Laminate Flooring | Underlayment, Flooring Cost |
| Finishing a basement | Drywall | Plaster, Paint |
| Leveling a floor | Screed | Self-Leveling Compound |
| Building a patio | Paver | Gravel, Sand |