How Much Load Can a 4×4 Support
The Load Capacity of a 3-Foot #2 Grade 4×4 Is 17,426 Pounds, and a Similar 6×6 Is 20,834 Pounds or 16% Better. However, an 8-Foot 4×4 Supports 6468-Pounds and...
The load capacity of a 3-foot #2 grade 4×4 is 17,426 pounds, and a similar 6×6 is 20,834 pounds or 16% better. However, an 8-foot 4×4 supports 6468-pounds and 2339-pounds at 14-feet, while a 6×6 is 18032 and 10550-pounds respectively – or 64% and 78% more load capacity.
How much weight will a 4x4 hold horizontally?
4×4 can hold up to 4,000 pounds when laying horizontally with the right support. Vertically, a 4×4 should support 4300 pounds but can hold significantly more. The amount of weight that a 4×4 can hold depends on several factors like wood grade, species, and load type.
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How much force can a 4x4 take?
It obviously varies depending on the type of wood but 6000psi and up is expected. So for a 4 × 4 we have 16ins² that makes it 96,000 pounds or about 43imperial tons (48 USTons). Way above any loading that you would expect to subject the post to under normal circumstances.
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