Roof Calculator | Roof Interior Space | Roof Pitch

Roof Pitch Calculator

Calculates the roof pitch in degrees and in percent from length and height. Length is the horizontal line from the roof slope to a point, length is the distance from there up to the slope again. Please enter two values with the same units (like inches or centimeters). The pitch will be calculated.

Sketch of a roof pitch

How to determine the roof pitch: measure length and height, the inclination angle is the angle to the left, here about 23 degrees.

Length (l):
Height (h):
Inclination angle (degrees):
Inclination in percent:

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This page in German: Dach berechnen, Dach-Innenraum, Dachneigung

See also Staircase Calculator, Calculate the Slope