Best answer

To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing. Your post diameter and height determine how big each hole needs to be. As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post.

Answered by: Richard Date created: Jun 25, 2022

Can I mix concrete in the hole?

Asked By: Felix Kling Date created: Jun 08, 2022

Fill the hole with Fast-Setting Concrete up to 3 to 4 inches below ground level. Pour about a gallon of water per 50 lb bag into the hole and allow the water to saturate the concrete mix. Wait about 4 hours to begin constructing your fence or applying heavy weight to your post.

Answered By: Adeel Imran Date created: Jun 11, 2022

How do I keep my post level while concrete dries?

Asked By: OmG3r Date created: Jun 09, 2022

Water drains better from around the post if you cover the bottom of the hole with 6 inches of gravel, so you should add that distance to the depth of the hole. It's also a good idea to splay out the edges at the bottom of the hole to give the post more stability.

Answered By: Nick Date created: Jun 09, 2022

How many bags of concrete do I need for a post hole?

Asked By: Ben Wainwright Date created: Jun 25, 2022

Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 - 48 hours.

Answered By: nevan king Date created: Jun 25, 2022

Can you put dry concrete in a post hole?

Asked By: Yahya Date created: Jun 14, 2022

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. ... Under normal curing conditions, you can apply heavy weight to the post (a basketball backboard, for example) after just 4 hours.

Answered By: Mike Date created: Jun 14, 2022

Do you have to mix concrete for post holes?

Asked By: Eugene Brusov Date created: Jun 18, 2022

cement needs to be MIXED then ramped to settle & burst air pockets. Filling a hole BLINDLY with water is COMPLETELY WRONG. CEMENT HAS TO BE MIXED IN A THICK POUR FOR PROPER P.S.I. PERIOD.

Answered By: David says reinstate Monica Date created: Jun 18, 2022

How many bags of concrete do I need for a 6x6 post?

Asked By: techtabu Date created: Jun 11, 2022

As I recall, a 60# bag of concrete is about . 5cf, so you'd need 3 bags per hole.

Answered By: Bart Krakowski Date created: Jun 12, 2022

How much concrete do I need for a deck post?

Asked By: Maryam Date created: Jun 08, 2022

One 80-lb bag of concrete yields . 60 cubic feet when combined with 4 quarts of water. If you're purchasing 80-lb bags of concrete, you'll need 1.66 bags of concrete. As before, since bags of concrete are only sold in whole quantities, you'll need to purchase two (2) 60-lb.

Answered By: mrsrinivas Date created: Jun 08, 2022

How many bags of concrete do I need for a 4x4 post?

Asked By: Lukas Graf Date created: Jun 17, 2022

Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 - 48 hours.

Answered By: Laurent Perron Date created: Jun 19, 2022

How much cement do I need for a brick wall?

Asked By: Reto Koradi Date created: Jun 21, 2022

Quantity of cement, Sand or Mortar Required for Brickwork: 1:6 ratio of cement mortar is usually used for brickwork.

Answered By: peterm Date created: Jun 21, 2022

Do I need to drill a pilot hole for concrete screws?

Asked By: Richard Szalay Date created: Jun 17, 2022

Unlike self-drilling screws which do not need pilot holes due to their drill bit end, self-tapping screws like concrete screws do require the user to mark a spot for the pilot hole.

Answered By: GolezTrol Date created: Jun 18, 2022

Related Question Answers

Xtony

Professor

How much concrete do I need for a 4x4 fence post?

Also 1-1/2 bags per hole is about right for a 4x4 fence post. Also remember, the depth of the post hole should be one-half of the above-ground post height. (Example: For a 6' above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground).

Sheldore

Professor

How do you put concrete in a post hole?

Use a shovel or hoe to transfer your concrete into the hole. Make sure to evenly pour the concrete on all sides of your post so the hole fills in completely. Leave at least 2 inches (5.1 cm) between your cement and ground level so you can cover it later. Slope the concrete away from the post so it drains water better.

Muhammad Safwan

Professional

How much concrete do I need to set a deck post?

One 60-lb bag of concrete gives you . 45 cubic feet of concrete when mixed with 2.5 quarts of water. In order to have enough concrete for 1 cubic yard (27 cubic feet), you'll require 2.2 bags of 60-lb concrete.

Dmitry Pavlov

Professional

How many bags of concrete do I need per fence post?

two bagsOur example post will require two bags for every post if you're using fast-setting concrete. Fast-setting concrete is ideal for installing fence posts since it doesn't need to be mixed in a bucket or a wheelbarrow.

David Cullen

Professional

How much concrete does it take to fill a hole?

If you're not sure what size hole to dig, a rule of thumb is to use a hole diameter 3 times the post diameter and 1⁄3 as deep as the post height. See below for more information. Average is $115 per yd3, although your price will vary based on the type of concrete, vendor, and location.

Diego Torres Milano

Professional

Do concrete planters need drainage holes?

How to: Make a Drainage Hole in a Concrete Planter. But to keep that succulent alive, it needs a bed or rocks at the bottom and ideally a drainage hole for excess water. Having a drainage hole is ideal for any type of potted plant, especially houseplants.

Amal Murali

User

How do you keep wooden concrete from rotting?

Consider Adding Posts to Concrete From here, you should fill the hole with about 6 inches of gravel. This will prevent rotting by ensuring that the post is kept dry when water makes its way into the soil. Place the post in the gravel, then fill with a batch of cement until it reaches the top of the hole.

Alexey Romanov

User

How do you pour concrete quickly?

Put the post into the hole, level the post and fill the hole with QUIKRETE Fast Setting Concrete Mix within three to four inches from the top of the hole. Pour up to one gallon of water into the hole until is soaks into the QUIKRETE Fast Setting Concrete Mix and allow the concrete to set for 20 to 40 minutes.

Sjoerd

User

How many bags of concrete do I need for a basketball court?

elevenThe recommended hole size is 16 inches in diameter and 48 inches deep. You will need eleven 80-lb bags of concrete for the installation. How much does it cost to install an in ground basketball hoop? On average, installation will cost around $450.00 for an in-ground system if you have it professionally installed.

Ryan Bigg

User

Do I need concrete for mailbox post?

No concrete needed. Bury an empty 6 or 8 inch tube two feet deep, and flush with the ground. Compact the soil around it. Then center and level your mailbox within the tube, and fill around the post with sand.

ghybs

Guest

How much crushed concrete do I need?

Beside above, how much crushed concrete do I need calculator? In the construction world, most materials are measured in cubic yards. Multiply the length (L), in feet, by the width (W), in feet, by the height (H), in feet, and divide by 27. This will tell you how many cubic yards of crushed stone you need.

Martin Costello

Guest

Why do you put dry concrete in a post hole?

When the concrete is dry-poured then wetted, there are no gaps around the concrete between the post or the soil, which helps negate any erosion that may cause the post to lean. We care less about having a maximum PSI footing and more about having a very tightly-packed hole to keep the post level.

AJP

Guest

How much rapid set concrete do I need?

Calculate the volume of the hole in cubic metres (using V = πr2h) and then subtract the volume of your post. This will give you the volume of concrete required. Simply multiply the volume figure by 108 (108 bags per cubic metre) to give the amount of 20kg bags needed to fill the void.

Jonathan

Guest

How much concrete do I need for a mailbox post?

In most cases a 50-pound bag of quick-dry concrete should suffice. Saturate the concrete. For a 50-pound bag you will need about a gallon of water. Be sure to leave support beams in place for 4 to 6 hours or until concrete is dry.

TLama

Guest

How much concrete is needed for a fence post?

To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing.

Your post diameter and height determine how big each hole needs to be.

As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post..

Duncan C

Guest

How much concrete do I need for 6x6 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. So, six-foot-high fence posts ideally need to be buried three feet into the ground. The diameter of your post hole should be three times the diameter of your post.

monkut

Guest

How much concrete do I need for a steel 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..

Mauricio Scheffer

Guest

How much concrete do I need for an inground pool?

Plan on at least 5 minutes per cubic yard, for unloading time. How much concrete do I need? Order this much concrete, for these standard pool sizes. 12 x 24 – 5 yards, 14 x 28 – 6 yards, 16 x 32 – 7 yards, 18 x 36 – 8 yards and a 20 x 40 – 9 yards.

KingNestor

Guest

How much concrete do I need for post holes?

Calculate Concrete Volume With the volume of the submerged post and the volume of the hole figured out, subtract the post volume from the hole volume, and you will have the volume of concrete needed for each hole.

Simply multiply that amount times the number of posts to get a total quantity..

UltraInstinct

Guest

How much concrete do I need to set a 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..

Kaz

Guest

How much concrete is in a post hole?

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. So, six-foot-high fence posts ideally need to be buried three feet into the ground.

jalf

Guest

How thick of concrete do you need for a 2-post lift?

4 inchesHere are our tips for making sure your installation is an uplifting experience.

Some of manufacturers standards for a 2-Post and 4-Post Lifts require a minimum 4 inches of reinforced concrete slab to be safely installed..

ARK1375

Guest

How many bags of concrete do I need for a fence post hole?

1 - 4 bagsMost 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.

TimTeaFan

Guest

How much cement do I need for a mailbox post?

In most cases a 50-pound bag of quick-dry concrete should suffice. Saturate the concrete. For a 50-pound bag you will need about a gallon of water. Be sure to leave support beams in place for 4 to 6 hours or until concrete is dry.

webmat

Guest

How much concrete is needed for a gate post?

Add 4 to 6 inches of concrete to the bottom of the hole, or enough to hold a post steady. Set a post in position. Use a carpenter's level to ensure the post is straight up and down, or plumb. Adjust the height of the post so you have the desired amount above ground.

for_stack

Guest

How do you make sure new posts stay plumb while the concrete is setting?

Hold a carpenter's level against all sides of the post to ensure it is plumb, or straight up and down. Once you are sure the post is plumb, fill the hole with concrete. Take care not to disturb the post as you add the concrete. Check the post again with the level to make sure it is still plumb, and adjust if necessary.

WouterD

Guest

How much concrete do I need for basketball hoop?

A hole that's 2 feet long, 2 feet wide and 2 feet deep is 8 cubic feet. Multiply the cubic feet by . 45, if you're using 60-pound bags of concrete, or by . 6, if you're using 80-pound bags.

Asim Zaidi

Guest

How much concrete is in a fence hole?

Also 1-1/2 bags per hole is about right for a 4x4 fence post. Also remember, the depth of the post hole should be one-half of the above-ground post height. (Example: For a 6' above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground).

ashelkov

Guest

How much concrete do I need for fence posts?

To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing. Your post diameter and height determine how big each hole needs to be. As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post.

Rocket Hazmat

Guest

How do you pour concrete in post holes?

Set the post into the hole and attach 2x4 braces to adjacent sides of the post. Use a level to position the post perfectly vertical. Fill the hole with Fast-Setting Concrete up to 3 to 4 inches below ground level. Pour about a gallon of water per 50 lb bag into the hole and allow the water to saturate the concrete mix.

Gereon

Guest

Can you mix concrete in post hole?

Instead of filling in the top of the hole with soil that could hold moisture at the base of your fence post, add a little more concrete to divert rainwater away from the post and protect it from rot at ground level. You'll need just a bucket or wheelbarrow to mix the concrete and a trowel to smooth it in place.

Joel

Guest

How do I figure out how much concrete I need for a round hole?

They are 4 feet in height and 10 inches in width (diameter), or 4′ x 10″.Choose Round Column (or Round Slab) on the calculator.Enter Height 4 ft (or 48 in)Enter Diameter 10 in.Calculate and the answer is 0.08 cubic yards for one concrete tube.Multiply 0.08 x 50 = 4 total cubic yards of concrete for 50 tubes.More items...

Brian Adams

Guest

How do I keep my fence post straight when concrete is set?

Setting the Post You need to level it in two directions with a 4-foot level. After getting it straight in the first direction, hold one of the braces against the post and drive a single screw to connect the brace to the post. You can then level and brace the post in the other direction and begin filling the hole.

Terry Lennox

Guest

How do you cement a 4x4 post?

Project InstructionsDig 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).

...

Add about 6 inches of QUIKRETE All-Purpose Gravel into the bottom of the hole.

...

Set the post into the hole and attach 2x4 braces to adjacent sides of the post.More items....

np8

Guest

How do you cement a ground pole?

Step-By-Step Instructions:Dig the post hole, making it three times the width of the post and at a depth equal to 1/3 to 1⁄2 of the above-ground length of the post, plus 6" (right). ... Pour 6" of gravel or crushed stone into the bottom of the hole. ... Set the post in the hole.More items...

casper.dcl

Guest

How do you cement a post?

Dry Method Instructions:Prepare and wet the hole. Before you begin, you need to dig and prepare the hole. ... Place post into the hole. Place the post into the hole. ... Place concrete into the hole. ... Pour water on top. ... Tamp the mix. ... Mix concrete with water. ... Place mixture into the hole.Aug 19, 2019

Reut Sharabani

Guest

How do you get old concrete posts out of the ground?

Thinking a bit more about it, the easiest way to get mine out whole might have been to dig a hole/slot beside the post, tilt it into the hole then pivot/pull it up out of the ground over a log/fulcrum/roller at the end of the slot using the weight of the long post to counterbalance the concrete slug on the end.

Tim Perry

Guest

How do you keep concrete from rotting?

Fill the first three inches up with gravel so the end of the post doesn't come into contact with the dirt. Gravel allows water to drain quickly away from the post and into the soil. Be sure to place the post in the center of the hole. Finally, fill the entire hole up with cement to the top.