Floor Joist Design Calculator

1 enter joist details.

Floor joist design calculator.

This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. Also available for the android os. Using floor joist span tables. Don t worry you won t need to do a lot of calculations in determining the size and placement of the structural framing within your house design.

Continuing on from part 1. Span calculator for wood joists and rafters also available for the android os. Domestic floor joist calculator. The highest is a fully loaded floor 70 pounds per square foot.

The lowest is a plain ceiling joist with no storage 10 pounds per square foot. Select the on center spacing for the joists. Structural calculations for timber joists timber beams glulam beams flitch beams using the latest design codes. Calculations to bs 5268 2 2002.

Most lay outs are on 16 so the field is pre selected. There are six choices. Also available for the android os. This is how far apart they will be.

Suitable for uk building regulation approval.