Roof pitch calculator - Use this calculator to calculate roof slope, roof pitch, and common rafter length.

This roof pitch calculator is a handy tool that will help you quickly assess the pitch of your roof and what length rafters you need for your construction works.

The most accurate free Roof Pitch Calculator. Instantly convert Rise/Run to Degrees, calculate Rafter Lengths (including overhangs), and estimate shingle bundles.

The Roof Pitch Calculator makes it easy to calculate your roof pitch in seconds. Simply enter the roof run and rise, and get the rafter length, roof pitch in degrees, and roof pitch as a percentage.

Jul 6, 2015 · Calculate roof slope, area, rafters length and other dimensions. You can also convert roof pitch to Degrees (at the bottom). To estimate roof area, enter width and length (as shown in the …

Free roof pitch calculator to convert between degrees, ratios & percentages instantly. Calculate roof slope and pitch multiplier with installation recommendations.

Use our roof pitch calculator to find the pitch, slope, degrees, and rise over run of a roof. Plus, learn four methods to measure pitch.

Dec 24, 2025 · Slope conversion calculator, charts, formulas, and examples for converting roof slopes in standard roof pitch to roof angle in degrees & vice versa.

Free Roof Pitch Calculator with Basic and Advanced modes. Convert roof pitch, angle, rise and run, and estimate rafter length, roof height, slope percentage and roof area for gable and hip roofs.

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.