Roof Pitch Calculator

Calculate roof pitch, slope angle, and related measurements from rise and run.

Inputs

Measurement Unit

Rise

Run

About Roof Pitch

Roof pitch indicates the steepness of a roof. It's expressed as the ratio of vertical rise to horizontal run, typically over 12 inches (e.g., 4:12 pitch).

Common Uses

Determining suitable roofing materials
Calculating rafter lengths
Planning drainage and snow load capacity

Results

Embed This Calculator

Share this tool with your audience. 100% free and fully responsive.

How Does the Roof Pitch Calculator - Slope & Angle Work?

The Roof Pitch Calculator - Slope & Angle allows you to perform calculations quickly and easily. Simply enter the required values and click the calculate button to get instant results.

1
Enter Values
Enter the required values in the appropriate input fields.
2
Adjust Settings
Enter the dimensions and specifications of building materials.
3
View Results
Click the "Calculate" button to see the result instantly.

Frequently Asked Questions

How accurate is this calculator?

This calculator uses standard verified formulas to provide accurate and reliable results.

Do the calculations include material waste?

Yes, you can add a material waste percentage to the calculations.

Support Our Project

Our site is completely free, you can support us to help us stay online and develop new tools.

Buy me a coffee

Related Calculators

🏠

Roofing Calculator - Shingles & Materials

Calculate roofing materials needed for your project. Our free roofing calculator estimates shingles, underlayment, and insulation quantities. Perfect for contractors and DIYers planning roof installations or replacements.

💧

Waterproofing Calculator - Moisture Protection

Calculate waterproofing materials needed for moisture protection. Our free waterproofing calculator estimates membrane, coating, and sealant quantities. Essential for basements, foundations, and wet areas.

🏠