Built for real work
Pitch, percent, and degrees.
Roof Pitch Calculator — Slope, Angle & Percent
Convert roof rise and run to pitch ratio, slope percent, and angle. Free roof pitch calculator for construction.
Formula used
Pitch = Rise : Run Slope % = (Rise ÷ Run) × 100 Angle = arctan(Rise ÷ Run)
Examples
Try a sample calculation
6/12 pitch
Common residential roof
Fast and focused
Standard rise/run inputs.
Main features of Roof Pitch Calculator:
Enter the required fields—dates, amounts, percentages, or measurements as labeled.
Double-check units (currency, tax rate, height/weight) match your scenario.
Run the calculation and read the breakdown, not just the headline number.
Adjust inputs to compare scenarios, or open a related Rankify calculator for the next step.