Roof Pitch Calculator

Calculate roof pitch, slope angle, rafter length, and roof area.
units
units

Pitch (x/12)

°

Angle

%

Grade
Rafter Length (Hypotenuse) units
Multiplier

Features

  • Roof Pitch Conversions: Instantly converts between Rise/Run, Angle in degrees, and Percentage Grade.
  • Rafter Length: Calculates the diagonal length needed for rafters.
  • Visual Guide: Simple visualization of the roof slope.

How to Use

  1. Enter the Rise (height) and Run (width) of the roof section.
  2. Or use the Quick Pitch buttons to set standard slopes.
  3. View the resulting Angle, Grade, and Rafter Length.