Beam Span Floor Joist Span Calculator. This demo version is fixed at 1m clear span. There are six choices. 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.
For example joists spaced 16 inches from the center of the joist next to it can span 1 5 times in feet the depth of their inches. Span calculator for wood joists and rafters also available for the android os.
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.
Most lay outs are on 16 so the field is pre selected. The widest span in the floor joist span table in part 2 of this tutorial module showed that floor joists can span 17 2 if they are 2 x 12s spaced 12 o c. Floor joist span calculator. Let s expand our house beyond that 17 2 span capability to 24 feet wide.
