Roof Pitch & Rafter Calculator AU

Name: Roof Pitch and Rafter Calculator AU
Availability: InStock

Turn a roof pitch into rafter lengths, roof area and how many sheets of roofing you need. Degrees, 1:x or x:12 - all metric.

Roof

Roof type Building length (m)

Building span, wall to wall (m) Eaves overhang (m)

Pitch

Pitch (degrees)

Profile

Rafters and roof area

Rafter spacing (mm) Sheet cover width (mm) Longest sheet you can get (m)

Results

Item	Value	Notes

Order list

Estimates only. Minimum roof pitch depends on the roofing profile and the manufacturer's installation manual, and rafter sizes must be checked against the AS 1684.2 span tables or with your engineer. Eaves overhang is taken as a horizontal measurement.