: Generally, dig your hole about one-third as deep as the fence is tall (e.g., 2 feet deep for a 6-foot fence) and ensure it reaches below your local frost line to prevent heaving.
Are you building this for a , a deck , or something else, like a mailbox ? How to Set Fence Posts 124364
: For maximum strength, premix the concrete in a wheelbarrow before pouring. : Generally, dig your hole about one-third as