Joist Span Calculator
Lumber Species
Southern Pine
Douglas Fir
Douglas Fir-Larch
Hemlock-Fir
Spruce-Pine-Fir
Redwood
Western Cedar
Ponderosa Pine
Red Pine
Beam Configuration
Beam to Wall
Freestanding Deck
Joist Hangers
Joist Size
2x8
2x10
2x12
On Center Joist Spacing
12"
16"
24"
Overhang?