A little clarity for your next decision
Roofing & slopes calculators
Explore 4 free roofing & slopes calculators. Calculate in your browser with clear inputs, worked examples, and transparent methods.
4 calculators available
- Ramp Rise, Run & Slope Calculator
Calculate ramp geometry from a selected ratio or your own rise and run.
- Roof Pitch, Angle & Rise Calculator
Convert roof rise and run into pitch and angle, or calculate an unknown dimension.
- Roofing Calculator
Estimate sloped roof area, roofing squares, bundles, and waste from plan dimensions and roof pitch.
- Stair Calculator
Estimate riser count, actual rise, tread run, staircase length, and stringer length.