Floor Joist Design Calculator

Using floor joist span tables.

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. Continuing on from part 1. Most lay outs are on 16 so the field is pre selected. Span calculator for wood joists and rafters also available for the android os.

Structural calculations for timber joists timber beams glulam beams flitch beams using the latest design codes. Also available for the android os. Domestic floor joist calculator. Residential structural design vertical structural forces we were about to start learning about floor joist span tables.

True floor joist span calculations can only be made by a structural engineer or contractor. Suitable for uk building regulation approval. Select the on center spacing for the joists. Span calculator for wood joists and rafters also available for the android os.

Also available for the android os. 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. This is how far apart they will be. The lowest is a plain ceiling joist with no storage 10 pounds per square foot.

1 enter joist details.