Free Roof Pitch Calculator
Calculate Roof Pitch, Angle & Slope Instantly
How much roof goes up
Standard: 12 ft
📋 Common Roof Pitches
- 4/12 = 18.4° – Low slope
- 6/12 = 26.6° – Most common
- 8/12 = 33.7° – Steep
- 12/12 = 45° – Very steep
❓ Roof Pitch FAQ
How do you calculate roof pitch?
Pitch = Rise ÷ Run × 12. 6\” rise over 12\” = 6/12 pitch. Angle = arctan(Rise÷Run).
What is a good roof pitch?
4/12: low. 6/12: medium. 8/12: steep. 12/12: very steep.
What roof pitch is 45 degrees?
45° = 12/12 pitch. 6/12 = 26.6°. 8/12 = 33.7°.
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