W Wood Design NDS calculator

Beam Design

Bending, shear, deflection & bearing per NDS Ch. 3-4.

Code edition
Design diagram — updates live with your inputs
Sawn lumber only
Sawn lumber only
Pick a standard size to fill b/d, or Custom to enter them manually
Actual (dressed) width
Actual (dressed) depth
Clear/effective span
Repetitive members for Cr
For repetitive-member Cr
Sets CD
Sets CM
Sets Ct
0 = continuously braced (CL=1.0)
Sets Ci
NDS 2018