Floor Joist Span Calculator
Joist Size 2×62×82×102×122×142×16 Wood Grade SelectNo. 1No. 2No. 3 Joist Spacing (OC) 12 inches16 inches24 inches Load Type Residential (40 psf)Commercial (50 psf)Live Load (30 psf) Calculate Reset Maximum Span feet Spacing Factor Recommendation Planning a new floor or renovating an existing building requires careful attention to structural strength and stability. One of the most…
