Roof Pitch Calculator

Convert between pitch formats and instantly see the roof angle, pitch multiplier for area calculations, and which roofing materials are suitable for your slope.

Rise (in per 12" run)

Run (in)

Pitch Preview

Hover for details • not to scale

Pitch

6.00/12

Standard

Angle

26.6°

Pitch Multiplier

×1.118

Roof area factor

Percent Grade

50.0%

Pitch	Angle	Multiplier
2/12 (Low Slope)	9.5°	×1.014
3/12 (Low Slope)	14.0°	×1.031
4/12 (Standard)	18.4°	×1.054
5/12 (Standard)	22.6°	×1.083
6/12 (Standard)Best value	26.6°	×1.118
7/12 (Moderate Steep)	30.3°	×1.158
8/12 (Steep)	33.7°	×1.202
9/12 (Steep)	36.9°	×1.250
10/12 (Steep)	39.8°	×1.302
12/12 (Very Steep / 45°)	45.0°	×1.414

Material Suitability for 6.0/12 PitchThis pitch works with virtually all roofing materials: asphalt shingles, metal panels, wood shakes, tile, and slate. Asphalt shingles are the most common and cost-effective choice in this range.

Walkability: Walkable with CautionPitches between 4/12 and 8/12 can be walked on but require caution, especially on wet or icy surfaces. Use proper footwear.

This calculator provides geometric conversions for roof pitch. Always verify measurements on-site and consult local building codes for minimum pitch requirements for your chosen roofing material.