Roof Rafter Length Calculator

A roof rafter is a type of internal vertical beam that holds up a building's roof load, or weight from above, and constitutes a roof's framework. The Rafter length is determined by the pitch/angle of the roof, its span and the amount of overhand required for water clearance/gutter fitting.

Roof Rafter Calculator
Roof Span
Pitch / 12
Rafter Length Calculator Results
Rafter Length
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