Post Hole Concrete Calculator
Post Hole Concrete
Calculate concrete bags needed per fence or deck post hole.
Formula
Bags = (PI x (Dia/2)^2 x Depth x 133) / Bag Size per post
Frequently Asked Questions
How deep should a fence post hole be?
Dig post holes to one-third of the total post length, typically 24 to 36 inches.
How many bags of concrete per fence post?
Most standard fence posts need 1 to 3 bags of 60 lb concrete mix.