Post and Beam Layout Calculator
Post spacing, post count, beam quantities, and post load capacity for rectangular post-and-beam structures.
Inputs
ft
ft
ft
psf
in
Results
Total posts
15
Max post load (interior)
6,000 lbs
Post axial capacity64,000 lbs
Post utilization ratio0.09
Min post size needed2.4 in
Bays along length4
Bays along width2
Actual bay spacing (length)10 ft
Actual bay spacing (width)12 ft
Total beam segments22
Total beam length240 LF
Building footprint960 sq ft
Beams Along Length3
Beams Along Width5
How to Use This Calculator
- Enter Building length, Building width, and Target bay spacing.
- Set Total floor/roof load, Post size (square), and Wood species.
- Review Total posts and Max post load (interior) (lbs).
- Use Post axial capacity (lbs) and Post utilization ratio to inform your decision.
Ad Placeholder
Ad Placeholder