Floor Joist Caculator

This demo version is fixed at 1m clear span.

Floor joist caculator.

Also available for the android os. Calculations to bs 5268 2 2002. On center joist spacing 12 16 24 overhang. Usually 400 450 or 600mm but any value can be used up to 610mm max.

Home joist span. Most lay outs are on 16 so the field is pre selected. Floor joist span calculator. For help simply click on the beside the section you need help with or watch this tutorial video.

Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. The screw count is a bit high at times but this will allow for losing some. This calculator matches up with 90 of the applications in the 2012 international residential code book. 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.

While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator. This is how far apart they will be. Home joist span calculator. Use the joist span and spacing calculator below to plug in your desired type of wood the size of your joists and the required spacing between each joist.

Joist size 2x8 2x10 2x12. No matter what the specs say. The full version allows any size. 1 enter joist details 1 1 span and joist spacing.

It has been my experience to never use a beam smaller than a two ply 2 x 8. Domestic floor joist calculator. Span calculator for wood joists and rafters also available for the android os. This is the distance between joist centres.

There are six choices. Species southern pine douglas fir larch hem fir spruce pine fir redwood western cedars ponderosa pine red pine. Select the on center spacing for the joists. The highest is a fully loaded floor 70 pounds per square foot.