Home & Construction

Roof Pitch Calculator

Calculate roof pitch and angle

Created and maintained by: CalcTago Editorial TeamLast updated: 2026-02-13

Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.

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Frequently asked questions

What does the Roof Pitch Calculator do?

It helps you calculate roof pitch and angle.

What inputs do I need?

Enter Rise and Run.

Are decimals supported?

Yes, you can use decimal values where appropriate.

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About this tool

Inputs

  • Rise
  • Run

Results

  • Pitch
  • Angle

Every calculation has variables — and getting even one wrong changes the outcome. The Roof Pitch Calculator keeps all variables in view so nothing slips through. Accurate material estimates prevent both expensive overbuying and frustrating mid-project shortages. You supply rise and run, and the tool calculates pitch and angle from those figures. From students to professionals, anyone who needs to calculate roof pitch and angle benefits from getting an instant, verifiable answer.

Concrete volume in cubic yards = (length × width × depth in feet) ÷ 27. Factor in door and window openings, which reduce the material needed for walls. Building codes and manufacturer recommendations often specify minimum quantities or coverage rates. Experiment with different inputs to compare scenarios. Seeing how the result shifts tells you which factors matter most.