Deck Beam Span Calculator. According to our beam span chart resource, the span of a beam is dependent on a few variables: The calculations below list approximate recommended deck beam spans.
Use this calculator to find out the beam span and deck footing size for your project.
Deck joist span less than or equal to: Use this calculator to find out the beam span and deck footing size for your project. It's everything you need below the surface—joists, posts, beams and support. The calculations below list approximate recommended deck beam spans.
