Roof Pitch Calculator
Determine roof pitch ratio and angle from rise and run
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How to Use This Calculator
Rise.
Run.
Get Angle/Ratio.
Understanding Roof Pitch Calculations
Slope.
Degrees vs Ratio.
Walking safety.
Shingle type.
Formula & Calculations
atan(Rise/Run)
Key Factors to Consider
Safety
Drainage
Material limits
Attic space
Frequently Asked Questions
1Walkable pitch?
Up to 6/12 usually.