How deep should post holes be for a fence?

Dig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4” wood post should be about 12 inches wide). The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).

Is 18 inches deep enough for fence post?

The general rule of thumb when setting a post is that the depth of the post’s hole needs to be one-third to one-half of the actual above-ground height of the post. For our six-foot-high fence post, we would need a hole that’s 36 inches deep and 12 inches in diameter.

Can fence posts be 12 feet apart?

The Quick Answer. Most fence posts can be spaced 8 to 12 feet apart. For instance, high tensile fence can have larger spacing, requiring line posts every 15 to 20 feet for field fence styles, and as much as 20-30 feet for high tensile barbed and smooth wire.

How much concrete for a fence post?

The average amount of concrete for fence post is approximately one to one and half bags of 60 lb. ready mix concrete. Retail for a bag of ready mix that we sell here at Cedar Supply is $3.80 per bag.

How to calculate for a fence?

Fence Posts: Posts are generally set 8 feet apart from each other. Number of Posts = Fence Length/8. Posts are typically sold in 8-foot or 16-foot sections. Sections set longer than 8 feet apart will sag. Rails: If the fence has rails, they should be 8 feet long and set between the posts.

How many posts for fence?

Number of Rails. It is recommended that you use a minimum of 2 horizontal rails between posts for all fences less than 5′ high, 3 rails for fences 5′ to 7′ high, and 4 rails for 8′ high fences. Fences taller than 8′ are outside the scope of this calculator due to structural considerations.

How do you estimate concrete?

To estimate the cost of a concrete driveway, multiply the length times the width to get the square footage, and then multiply that number by the cost of the concrete.