6/12 roof pitch

26.57° angle

A 6/12 roof rises 6 in for every 12 in of run: a 50% slope with a 1.118 area multiplier.

Pitch6 in 12 (6:12)
Angle26.57°
Slope50%
Roof area multiplier1.118
Rafter length per foot of run13.42 in
TypeA conventional pitch

Roofing for a 6/12 pitch

Suitable for asphalt shingles, metal, tile and most other roofing with standard underlayment. Walkable for most people with care and soft-soled shoes.

Rafter length at 6/12

Run (half the span)RiseRafter length (before overhang)
10 ft5 ft11.18 ft
12 ft6 ft13.42 ft
14 ft7 ft15.65 ft
16 ft8 ft17.89 ft

Change the numbers

Roof pitch

6/12

26.57° angle, 50% slope.

Pitch6 in 12
Angle26.57°
Slope50%
Roof area multiplier1.118
Rafter length per foot of run13.42 in

Other roof pitches

Questions

What angle is a 6/12 roof pitch?
26.57 degrees.
What is a 6/12 roof pitch as a percentage?
50%: the roof rises 6 inches for every 12 inches of run.
What is the roof multiplier for a 6/12 pitch?
1.118. Multiply the roof’s flat footprint by 1.118 to get its actual surface area.
Is a 6/12 roof walkable?
Walkable for most people with care and soft-soled shoes.

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