Beam Span Calculator
For help, simply click on the
beside the section you need help with, watch this
Tutorial Video.
Lumber Species
Southern Pine
Douglas Fir
Douglas Fir-Larch
Hemlock-Fir
Spruce-Pine-Fir
Redwood
Western Cedar
Ponderosa Pine
Red Pine
Beam Size/Lamination
2-2x6
2-2x8
2-2x10
2-2x12
------
3-2x6
3-2x8
3-2x10
3-2x12
------
3x6
3x8
3x10
3x12
------
4x6
4x8
4x10
4x12
Joist Span (less than or equal to)
6'
8'
10'
12'
14'
16'
18'
Overhang?
Joist Span Calculator
beside the section you need help with, watch this Tutorial Video.