Roof Pitch Calculator
Enter rise and run in the same unit. Pitch is shown as X/12. Angle is atan(rise/run). You can also type an angle and read the pitch.
Math runs in your browser. Nothing is uploaded.
Pitch (X/12)
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Angle (°)
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Slope %
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Length multiplier
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Pitch X/12 = (rise/run)×12. Angle = atan(rise/run)×180/π. Multiplier = √(1+(rise/run)²).
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How it works
- Is any data uploaded?
- No. These calculators and QR codes run in your browser.
- Are files uploaded?
- No. Conversion and math run in your browser.