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Everyday & Practical
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Roof Pitch Calculator
Roof Pitch Calculator
Convert between rise/run, slope angle, and standard pitch labels
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Rise & Run
From Angle
Rise
Run
Standard pitches
2/12
4/12
6/12
8/12
12/12
angle = atan(rise / run) · pitch = rise × 12 / run
Pitch
6.00/12
Angle
26.57°
Grade
50.0%
Category
Conventional
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Roof pitch as a right triangle
Right triangle showing rise, run, and the slope angle at the base.
6.00/12 · 26.57° · 50.0%
rise
run
26.6°
