Roof Pitch & Slope Calculator
Instantly compute roof pitch degrees, percentage slope, and rafter lengths entirely offline.
🔒 100% Secure Local Execution
Roof Pitch Calculator
Select Unit:
Pitch Angle:-
Slope Percentage:-
Rafter Length (Hypotenuse):-
Product Documentation & FAQ
How it Works
Roof Pitch & Slope Calculator (Degrees & Percentage)
100% Client-Side Sandbox Verified
Frequently Asked Questions
Everything you need to know about the technical implementation, security, and usage limits of this tool.
The pitch angle in degrees is calculated using the arctangent of the rise over run. Rafter length uses the Pythagorean theorem (a² + b² = c²).
Absolutely. 100% of the computation is executed locally inside your browser memory via client-side JavaScript. We guarantee zero data transmission to external servers.