22/12 roof pitch

61.39° angle

A 22/12 roof rises 22 in for every 12 in of run: a 183.3% slope with a 2.088 area multiplier.

Pitch22 in 12 (22:12)
Angle61.39°
Slope183.3%
Roof area multiplier2.0883
Rafter length per foot of run25.06 in
TypeA very steep roof

Roofing for a 22/12 pitch

Suitable for asphalt shingles, metal, tile and most other roofing with standard underlayment. Not walkable: roofers work from roof jacks and fall protection, which adds labor cost.

Rafter length at 22/12

Run (half the span)RiseRafter length (before overhang)
10 ft18.33 ft20.88 ft
12 ft22 ft25.06 ft
14 ft25.67 ft29.24 ft
16 ft29.33 ft33.41 ft

Change the numbers

Roof pitch

22/12

61.39° angle, 183.3% slope.

Pitch22 in 12
Angle61.39°
Slope183.3%
Roof area multiplier2.0883
Rafter length per foot of run25.06 in

Other roof pitches

Questions

What angle is a 22/12 roof pitch?
61.39 degrees.
What is a 22/12 roof pitch as a percentage?
183.3%: the roof rises 22 inches for every 12 inches of run.
What is the roof multiplier for a 22/12 pitch?
2.088. Multiply the roof’s flat footprint by 2.088 to get its actual surface area.
Is a 22/12 roof walkable?
Not walkable: roofers work from roof jacks and fall protection, which adds labor cost.

Related calculators