Roof Pitch Calculator

Professional Roof Pitch Calculator

Our free roof pitch calculator helps you calculate roof pitch accurately using rise and run, angle, or ratio measurements. Upload a photo and measure directly from your roof image using our advanced calculator tool. Get instant results with detailed explanations for all your roofing calculations.

Roof Pitch Calculator
Use our roof pitch calculator to calculate roof pitch using different methods: rise and run, angle, or ratio. This calculator provides accurate results for all your roofing needs.
Diagram
Visual guide for using the calculator - Rise, run, and span measurements
RiseRunSpan6"12"24"

Measure from Photo

Upload a photo of your roof and use our interactive tool to measure the pitch directly from the image

Image-Based Pitch Measurement Calculator
Use our photo-based calculator to measure roof pitch. Upload a photo of your roof and adjust the line to match the roof slope for accurate pitch calculation.

How to use this calculator:

  1. Upload a clear photo of your roof showing the slope
  2. Drag the red point to the start of the roof line
  3. Drag the green point to align with the roof slope
  4. You can also drag the entire line to reposition it
  5. The roof pitch angle will be calculated automatically by the calculator

Upload an image to get started

Angle

0.00°

Pitch

Slope

Roof Pitch Calculator FAQ

Common questions about using our roof pitch calculator and roof pitch calculation methods