2/12 roof pitch
9.46° angle
A 2/12 roof rises 2 in for every 12 in of run: a 16.7% slope with a 1.014 area multiplier.
| Pitch | 2 in 12 (2:12) |
|---|---|
| Angle | 9.46° |
| Slope | 16.7% |
| Roof area multiplier | 1.0138 |
| Rafter length per foot of run | 12.17 in |
| Type | A low-slope roof |
Roofing for a 2/12 pitch
Shingles are allowed from 2/12 to 4/12 only with a double layer of underlayment or ice-and-water shield. Metal roofing and membranes are common choices. Walkable for most people with care and soft-soled shoes.
Rafter length at 2/12
| Run (half the span) | Rise | Rafter length (before overhang) |
|---|---|---|
| 10 ft | 1.67 ft | 10.14 ft |
| 12 ft | 2 ft | 12.17 ft |
| 14 ft | 2.33 ft | 14.19 ft |
| 16 ft | 2.67 ft | 16.22 ft |
Change the numbers
Other roof pitches
Questions
- What angle is a 2/12 roof pitch?
- 9.46 degrees.
- What is a 2/12 roof pitch as a percentage?
- 16.7%: the roof rises 2 inches for every 12 inches of run.
- What is the roof multiplier for a 2/12 pitch?
- 1.014. Multiply the roof’s flat footprint by 1.014 to get its actual surface area.
- Is a 2/12 roof walkable?
- Walkable for most people with care and soft-soled shoes.