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The table below shows you how many bags of concrete you’ll need per fence post for a 18″ diameter hole that’s between 10 – 36 inches deep.How Much Concrete For A 6×6 Fence Post? Depth 50 Lb Bags 13″-17″ 5 18″-21″ 6 22″-25″ 7 26″-28″ 8.

## How many 50lb bags of concrete do I need for a fence post?

For reference, a 40-pound bag of concrete typically yields about 0.3 cubic feet, a 50-pound bag yields 0.37 cubic feet, a 60-pound bag yields 0.45 cubic feet, and an 80-pound bag yields 0.6 feet. This means that in the example above, each post would require about eight 50-pound bags.

## How much concrete do you need for a fence post?

Most fence post holes will need between 1 – 4 bags of concrete to securely hold the post in place. The best way to determine the size of the hole is: Diameter of the hole is 3 times the width of the fence post. Depth of the hole is one-third to half the above ground height of the fence post.

## Is 2 feet deep enough for fence posts?

2 feet is the minimum depth that you should dig your fence post holes for. To dig the holes one-third to one-half of the post’s aboveground height, is a general formula. The deeper you dig the holes, the more stability your fence has.

## How many square feet does a 50 lb bag of quikrete cover?

Regarding this, how much does a 50 lb bag concrete cover?, as 133 lb concrete = 1 CF, so a bag of 50 lb concrete = 50/133 = 0.375 CF, therefore, a 50 lb bag of concrete approximately cover around 1.5 square feet area upto standard depth of depth of 3 inch for your patio and sidewalk.

## What size post do you use for a 6 foot fence?

So, if you’re planning on using a four-inch round or 4×4-inch square post, your post hole will need to be 12 inches in diameter. For our six-foot-high fence post, we would need a hole that’s 36 inches deep and 12 inches in diameter. The depth of your post hole plays a key role in the strength of your posts.

## How many bags of concrete do I need for a 4×4 fence post?

How Much Concrete For A 4×4 Fence Post? Depth 50 Lb Bags 10″-14″ 2 16″-22″ 3 24″30″ 4 32″36″ 5.

## How much concrete do I need for a 30×30 slab?

18 yards of 3000 psi concrete mix @ 135.00 per yard. Wire mesh reinforcement. A double row of #4 rebar around the edges. Labor to form the slab.

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

For a small to mid sized job I recommend going with premixed. The best concrete mix for fence posts I’ve found is Quikrete Fast Setting Concrete Mix in a 50 lb bag. It’s 4000 psi, easy to work with, sets up fast, and doesn’t need to be mixed. Just pour it in the hole and soak with water.

## How many bags of Postcrete do you need per post?

“Usually one bag of postcrete per post is enough, however you can use a two bags per post if you feel this is needed.

## What size post do you use for an 8 foot fence?

A common rule of thumb, is to dig the hole 3 times as large as the post, and to a depth of 1/3-1/2 of the post height above ground. so for a 8′ high fence, using 4×4 posts. dig the holes 12″ in diameter, to a depth of 2 1/2 – 4′. Of course, that’s assuming you’re setting the posts in concrete.

## Can you put dry concrete in a post hole?

Fast-setting concrete is ideal for setting posts because there’s no mixing—you simply pour the dry concrete from the bag right into the hole, then add water.

## How many 80 lbs bags of concrete make a cubic yard?

One 80lbs bag of Quikrete Concrete Mix will yield approximately . 60 cu ft. So it will take 45 bag to equal one cubic yard of concrete. If you have a project over a 1/2 a cubic yard you should consider our Mix On-site Concrete especially if you are hand mixing.

## How many bags of concrete do I need for a 4×4 slab?

As per calculation, for a 4×4 slab at 4 inch thick, generally you will need approximately either 12 bags of 60lb or 9 bags of 80lb of premixed concrete, at 5 inches thick slab, either 15 bags of 60lb or 11 bags of 80lb premixed concrete are required, while at 6 inches thick slab, either 18 bags of 60lb or 14 bags of.

## How many square feet does a 60 lb bag of concrete cover?

@ 2″ thick a 60 lb bag of concrete will fill 2.7 sq. ft. @ 4″ thick a 60 lb bag of concrete will fill 1.35 sq. ft.

## How do I calculate how many fence posts I need?

Measure the length of your yard. This will be your fence length. The number of posts you will need is your fence length divided by 6 or 8. For example, a yard of 100 feet with 8-foot placement will require around 13 posts.

## How many fence posts do I need for 1 acre?

If we assume that your property is equal on 4 sides, then it is as simple as taking the square root of 43,560 square feet. This gives you 209 feet on each side, which would require 835 linear feet of fence to enclose the entire acre property (209 feet times four sides is equal to 835 linear feet).

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

How Deep Should a Fence Post Be? For an average fence post, about 6 to 8 feet tall, prepare to dig a post hole about 2 feet deep. To install a fence post, you’ll need a shovel or post digger, a 6-foot level, soil, and gravel or crushed stone.