Roof Truss Calculator
Estimate roof truss count and spacing
ft
ft
in
Formula
Trusses = (Length / Spacing) + 1 + 2 gables
Space trusses evenly plus gable end trusses.
Examples
40ft long, 24in spacing
~23 total trusses.
Frequently Asked Questions
About Roof Truss
Estimate roof truss count and spacing for buildings.