2×6 Douglas Fir Floor Joist Span (16" O.C., 40 PSF)
Minimum recommended joist size for habitable floors. Suitable only for very small rooms, closets, or utility spaces with short spans.
Results
Maximum Span9'-6"
Maximum Span114inches
Species & GradeDouglas Fir-Larch #2
Load ConditionLive Load: 40 psf, Dead Load: 10 psf
Deflection LimitLive Load: L/360, Total Load: L/240
Code ReferenceIRC Table R502.3.1
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