Wood Floor Joist Span Table
Designing with wood beam span tables.
Wood floor joist span table. Floor joist span tables for various sizes and species of wood. Deflection for 30 psf live load. Span tables for jois ts and rafters american wood council 4 span tables for joists and rafters american wood council design criteria. Limited to span in inches divided by 360.
To use the joist span calculator below first select the species of lumber you will use for your construction project from the drop down list. Strength live load of 30 psf plus dead load of 10 psf determines the required bending design value. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Floor joist span calculator.
Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. View joist rafter tables. Span calculator for wood joists and rafters also available for the android os. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
Also available for the android os.