# Quick Answer: How Do You Calculate Concrete For Fence Posts?

## How deep should a 10 foot fence post be?

As a general rule of thumb, you’ll need to place at least 1/3 the height of the post in the ground.

For example, a 6-foot tall fence will need at least 2 feet of post in the ground..

## How much concrete is needed for a fence post?

The general rule of thumb when setting a post is that the depth of the post’s hole needs to be 1/3 to 1/2 of the actual above-ground height of the post.

## What is the best concrete mix for fence posts?

In terms of the ratio to use for a concreting fence posts, the best mix is a mix of 1:2:4 (1 cement, 2 sand, 4 aggregate). Concrete is always best mixed using a cement mixer to ensure it’s even, but if you only need to mix a little, hand mixing is ok (see mixing concrete project above for tips on how to do this).

## Is 2 feet deep enough for fence posts?

You should always bury one-third of your fence post underground. … This means that unless you are building a 2-foot fence, which is unlikely in any garden, a 1-foot hole will not be deep enough to support your post. For main and gateposts, you should dig the holes an additional 6 inches deep.

## How long of a post do I need for a 6 foot fence?

A good rule of thumb is the “One-Third Rule”, which says to bury at least one-third of the post height for a wooden fence, so the minimum depth for a 6-ft. tall post is 2 feet. Taller fences need deeper posts. However, different areas may require even deeper post depths.

## Will fence posts rot in concrete?

A: Actually, your point is well taken. Simply setting the posts in concrete does create a condition that will accelerate rot in the bottom of the posts. With pressure-treated posts, the rot will be slow. … The concrete at the top should be sloped away from the post to grade level to avoid water pooling around the base.

## Should I use 4×4 or 6×6 fence posts?

Instead of 4×4 posts, go with 6×6 posts. The extra size makes a huge difference. It’s a smart place to invest a little extra in your fence, because if your posts distort after they have been set in the ground with concrete, they are extremely difficult to replace.

## Should a fence touch the ground?

Should the Fence Touch the Ground? In most cases, no fence materials other than your fence posts should touch the ground. Allowing your fence to touch the ground makes yard maintenance more difficult and may increase the speed at which your fence suffers moisture damage, depending on the fence material used.

## How tall can you make a privacy fence?

Fence regulations are typically governed by local law or a homeowners’ association. In many municipalities, six feet is the maximum height for a backyard fence, while a 4-foot fence may be used in front of your home.

## Do you need to pour concrete for fence posts?

Setting Fence Posts in Concrete Concrete is the most secure material for setting fence posts, especially if you have sandy soil. Gravel may be okay with dense, clay-heavy soil, but in looser soil, concrete is the only thing that will truly keep your fence posts stuck in place.

## How many bags of quikrete do I need for a fence post?

Remember, the depth of the post hole should be one-half of the above-ground post height. (Example: For a 6 feet above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground). The calculator will indicate the number of 50 lb. bags of QUIKRETE® Fast-Setting Concrete you need.

## How Long Should Concrete Cure fence posts?

The concrete sets up in 20 to 40 minutes, so you can quickly move on to the next stage of the project (a great convenience when setting fence posts) or backfill the hole to finish the job. Under normal curing conditions, you can apply heavy weight to the post (a basketball backboard, for example) after just 4 hours.

## How deep should post be for 8 foot fence?

The depth of the post hole needs to be 1/3 to 1/2 the height of your fence. For example, if you are building a fence that’s 6 feet tall, you will need a hole that is at least 2 feet deep. That also means that you’d need to use an 8-foot post. The hole will need to be about 3 times the width of your post.