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Floor Joist Conversions

Convert floor joist dimensions to maximum span based on wood species, spacing, and load.
Size 2x8, 2x10, and 2x12 joists for residential floors to meet code.

Floor Joist Span Calculator

Convert floor joist size to maximum span by species, spacing and deflection limit. Covers 2x6 to 2x12 at L/360, L/480 and L/720 for tile floors.
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