Construction Tool
Roof Pitch Calculator — pitch, rafter length, angle, and total roof area.
Calculate roof pitch, rafter length, slope angle, grade percentage, and total roof area from rise and run. Includes roof area multiplier and common pitch presets.
Roof Pitch Calculator
Rise (inches)
Run (inches, usually 12)
Optional: Roof Dimensions
Span (ft) — full width
Roof Length (ft)
Common Pitch Presets