🏠 Roof Pitch Calculator
Convert between rise/run, angle, and percentage
Steep (safety equipment recommended)
6.0:12
Rise/Run
26.6°
Angle
50.0%
Slope
📐 Roof Dimensions (optional)
Rafter Factor
1.118
Rafter Length
13.4 ft
Roof Area
1073 ft²
Ridge Height
6.0 ft
📋 Common Roof Pitches
| Pitch | Angle | Description |
|---|---|---|
| 1:12 | 4.8° | Very flat, suitable for low-slope roofing |
| 2:12 | 9.5° | Low slope, requires special roofing materials |
| 3:12 | 14.0° | Minimum for standard asphalt shingles |
| 4:12 | 18.4° | Low pitch, common for residential |
| 5:12 | 22.6° | Standard pitch, very common |
| 6:12 | 26.6° | Standard pitch, good water drainage |
| 7:12 | 30.3° | Moderate pitch, aesthetically pleasing |
| 8:12 | 33.7° | Moderate-steep, good for snow areas |
| 9:12 | 36.9° | Steep pitch, requires special safety |
| 10:12 | 39.8° | Steep, excellent water/snow shedding |
| 12:12 | 45.0° | Very steep, 45° angle |