Calculator · Geometry & layout
Roof Pitch & Angle Calculator
The free Roof Pitch & Angle Calculator answers one question: Pitch, angle and slope from rise and run. Enter your numbers in inches or millimeters and the result updates instantly in your browser, with no sign-up and no app to install. Use it on your phone at the bench, then copy or print the result for your cut list.
For sheds, lean-tos and playhouses: measure the rise over a horizontal run.
Which other geometry & layout calculators help with this project?
- Rafter Length Calculator — Rafter length for a shed or gable roof.
- Arc Radius Calculator — Radius from the chord width and arc height.
- Stair Stringer Calculator — Riser height, tread count and stringer length.
- Circle Calculator — Circumference and area for round tabletops.
What you'll need for this project
Tools
Screws & hardware
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Build it · Beginner · 1 weekend
Download the complete plan with cut list and materials list (PDF)
Gable-Roof Dog House — Insulated dog house with a 6/12 gable roof and raised floor. Drawings, cut list with board-foot totals, hardware list and step-by-step instructions.
$12.99All plans & bundles →