How Many Bags of Concrete Per Fence Post?
For a standard 4×4 post: 10" hole × 24" deep = 1-2 bags of 50-lb mix per post. For 6×6 posts: 12" hole × 30" deep = 3-4 bags per post. Always set posts 1/3 of total length in ground.
For a standard 4×4 post: 10" hole × 24" deep = 1-2 bags of 50-lb mix per post. For 6×6 posts: 12" hole × 30" deep = 3-4 bags per post. Always set posts 1/3 of total length in ground.
Use this free fence post concrete calculator to get instant, accurate results for your construction project. Simply enter your measurements above and the calculator will automatically compute the result using industry-standard formulas.
Pro Tip: Always add 10-15% extra material to account for waste, cuts, and job-site conditions. This is standard practice recommended by experienced contractors.