Span Options Calculator
for Wood Joists & Rafters
www.awc.org
Species

Ctrl-Click to select multiple species















Required Horizontal Span ft.   in.
Member Type
Deflection Limit
Spacing (in)
Live Load (psf)
Dead Load (psf)
Exterior Exposure
Wet service conditions?
Incised lumber?














       
spancalcitunes The Span Calculator for Wood Joists and Rafters (Span Calc) is available for the iPhone.
Select StructuralNo. 1No. 2
Douglas Fir-Larch2x82x82x10

While every effort has been made to insure the accuracy of the information presented, and special effort has been made to assure that the information reflects the state-of-the-art, neither the American Wood Council nor its members assume any responsibility for any particular design prepared from this on-line Span Calculator. Those using this on-line Span Calculator assume all liability from its use.

Comments? info@awc.org.