deck beam span Calculator

This deck beam span calculator works perfectly with our joist calculator and tells you how far any given supporting beam can span from one supporting post below it to the next post.

Pick the species of lumber, size of beam and find out the maximum recommended space between the posts that will support the beam.

Print out the calculated deck beam span results for your reference and get organized in no time!

© 2004-2019 Decksgo.com. All Rights Reserved.