Measure & Convert
How much space or material do I need?
Measuring a room, estimating materials, or solving a shape: these tools find area, volume, square footage and triangle values from the standard formulas, and convert between units so the numbers line up before you buy or build.
- Square Footage Calculator Measure a room for flooring, paint, turf — with a cost estimate. Open calculator
- Area Calculator Area of a rectangle, circle, triangle, trapezoid and more. Open calculator
- Volume Calculator Volume of a box, sphere, cylinder, cone, pyramid or capsule. Open calculator
- Triangle Calculator Solve a triangle from three sides — angles, area, type. Open calculator
- Concrete Calculator Estimate concrete for a slab or footing, in yards or metres. Open calculator
- Unit Conversion Calculator Convert length, weight, volume, temperature and more. Open calculator