Archikit

Roof Pitch Calculator

Calculate roof pitch, angles, and material requirements. Perfect for architects, contractors, and homeowners.

Roof Pitch Calculator

Calculate roof pitch, angles, and material requirements

Enter the rise value (e.g., 4 for 4:12 pitch)

How to Use

  1. 1. Select the roof material type
  2. 2. Choose input method (pitch ratio or rise/run)
  3. 3. Enter your measurements
  4. 4. Optionally enter roof dimensions for area calculation
  5. 5. Click calculate to get detailed roof specifications

Features

  • •Multiple roof material types with specific requirements
  • •Flexible input methods (pitch ratio or rise/run)
  • •Automatic angle and rafter length calculations
  • •Material suitability checking
  • •Weather and climate considerations
  • •Roof area calculations

Pro Tips

  • 💡Pitch is expressed as rise:run (e.g., 4:12 means 4 inches rise per 12 inches run)
  • 💡Steeper pitches provide better water runoff but may be more expensive
  • 💡Consider local building codes and weather conditions
  • 💡Low-slope roofs require special waterproofing materials