Roof Pitch
Converts roof pitch between degrees, percent, and rise per meter of run.
Pitch
21,8°
Ratio
1:2,50
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Formula
pitch (°) = arctan(rise / run)
Example: rise 2 m, run 5 m → 21.8° (1:2.5)
Methodology
Convert between degrees, percent, and rise per meter: tan(angle) = slope/100.
Example
30° pitch ≈ 57.7%, rise about 577 mm per 1 m.