Floor Joist Calculator Tool

Floor Joist Calculator

Span of the Floor (in feet): Wood Type: Joist Size (in inches):

Custom Joist Width (in inches): Custom Joist Height (in inches):

Joist Spacing (in inches):

Custom Joist Spacing (in inches):

Note: This calculator assumes typical values based on standard joist sizes and material types. Always consult a structural engineer for specific calculations.

Floor Joist Calculator

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