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.

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