Construction

Roof pitch calculator

Calculate roof pitch with explicit inputs, validation, and a documented formula.

Roof pitch calculator

Result26.5650511771°

How to use this tool

  1. Enter the known values.
  2. Select Calculate to process the inputs.
  3. Review the result, formula, and calculation steps.

Worked example

Follow this example to see the method in practice.

Formula

pitch, slope percentage, angle, and slope factor derive from rise ÷ run

Frequently asked questions

Formula

The formula below shows how the result is calculated.

Important information

Results are estimates for general informational purposes. Check important decisions with an appropriate professional or primary source.