📐 Roof Pitch Calculator
Calculate roof slope, angle, and rafter length
6:12
Roof Pitch
Angle
0°
degrees
Slope
0%
percent
Rafter
0
feet
Roof Area
0
square feet
Squares
0
100 sq ft each
Category
-
roof type
How to Use This Calculator
Enter the rise and run to calculate your roof pitch. Rise is the vertical measurement, and run is the horizontal measurement (typically 12 inches for standard pitch notation).
Common Roof Pitches:
• 4:12 (Low slope) - Common for sheds, porches
• 6:12 (Standard) - Most residential roofs
• 8:12 (Medium) - Traditional homes
• 12:12 (Steep) - Victorian, Gothic styles
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Common Roof Pitch Chart
| Pitch | Angle | Slope % | Type |
|---|---|---|---|
| 4:12 | 18.4° | 33% | Low |
| 5:12 | 22.6° | 42% | Low-Med |
| 6:12 | 26.6° | 50% | Standard |
| 7:12 | 30.3° | 58% | Med |
| 8:12 | 33.7° | 67% | Med-High |
| 9:12 | 36.9° | 75% | High |
| 10:12 | 39.8° | 83% | High |
| 12:12 | 45.0° | 100% | Steep |
Request review for an eligible service match. Leads are routed under the current DN service rules; availability and results are not guaranteed.