how many premix concrete bags do i need

How much concrete for a fence post? - Home Improvement Stack ...

Now, concrete used for the purpose of having replaceable posts is different & in that case you do want a 12" hole & likely 2 bags. This I have no problem with, but most no-one does it. Monkey-see-monkey-do says to "just pop-out that 200-pounds" & do the whole absurdity all over again from scratch.

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Cement to all in ballast - MyBuilder

How many 25Kg bags of cement do I need for 1 cubic metre of all-in-ballast when mixing concrete at a ratio of 1:6. ... 4in1 is a strong enough mix . Answered 29th Jan ...

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How many bags of concrete do i need for a 10 x 10 slab ...

Aug 22, 2020 · How many bags of concrete do i need for a 10 x 10 slab? Your measurement methods will change depending on the shape of your future concrete slab. For example, you’ll mark a rectangular shape using length and width. A circular shape needs that you find the diameter.

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Premix Mortar Bags – Touring Tiles

Use this Quikrete Mortar Mix for laying brick, block or stone. … Compare Similar Masonry & Mortar Mix ….. How many 60 lbs bag do I need for a 400 sq ft pad. Dx350 Find great deals on eBay for Hilti DX350 in Power Actuated Tools. Shop with confidence. Results 1 – 39 of 39 …

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Concrete Steps Calculator - Estimate Yards Needed for ...

40 lb Bags. Pre-mix 60 lb Bags. Pre-mix 80 lb Bags. Estimated Cost. Add this calculator to your site On this page: ... Our concrete step volume calculator can help find how much concrete you need to pour your steps. If you’re feeling intimidated by the process you can also hire a professional contractor to measure and pour your steps.

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Choosing the Right Concrete Mix | The Home Depot Canada

All you have to do is add the right amount of water and you're all set to go. ... you gain an idea of how many bags of premixed concrete you'll need to purchase ...

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How many bags of cement do I need for a 5 X 4 X 4 area ...

5/30/2008 · An 80 lb bag of Sakrete is equal to 2/3 cu. ft. Divide 6-2/3 by 2/3, and you have 10 bags of concrete you will need. I would get 12, just in case the substrate is off a little. You don't want to have to stop in the middle of a pour. That will leave a cold joint, which will …

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Concrete Calculator - How Much Concrete Do I Need? - The ...

Apr 23, 2018 · To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards; 60 pound bag yields .017 cubic yards; 80 pound bag yields .022 cubic yards; READY MIX VS. BAGGED CONCRETE

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Calculate Bags of Pre-Mix Concrete - Round + Square ...

Pre-Mix Concrete Bag Calculator Calculated at 2160 kg per 1m³ - Allow extra for waste Cubic Metres 20 kg Bags 25 kg Bags 30 kg Bags 40 kg Bags @ $ per bag

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Concrete Slabs Calculator - Lowe's

Use our Concrete Slabs Calculator or Estimator as a guide for how much concrete mix you need for your project.

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How To Calculate Cement, Sand & Aggregates Quantity in ...

For Numbers of Bags = 403.2/50 = 8 Bags We Know in one bag of cement = 1.226 CFT For Calculate in CFT (Cubic Feet) = 8 x 1.225 = 9.8 Cubic Feet CALCULATION FOR SAND QUANTITY; Consider volume of concrete = 1m 3 . Dry Volume of Concrete = 1 x 1.54 = 1.54 m 3

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Calculators | Cement Australia

This series of concrete calculators has been developed to help you plan your project. You can calculate how much concrete, cement, sand, mortar or render you will need. For each calculation you will have to know the dimensions of your object. The calculator will perform the sums for you - where relevant it will add a small percentage for the wastage that inevitably happens when mixing & using ...

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Free Concrete & Cement Calculator For a yard, 80 lb. & 60 lb ...

Pre-mix concrete comes in bags that are 60 lbs. and 80 lbs. A 60 lb. bag provides 0.45 cubic feet of cured concrete. A 80 lb. bag provides 0.6 cubic feet of cured concrete. If you have concrete delivered it is sold by the yard (which is a cubic yard = 27 cubic feet).

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Estimating the quantity of dry-blended concrete

Generally dry-blended concrete is sold in 25kg bags. By dividing the estimated concrete volume needed for a project by the stated volume the required number of bags for the project can be determined . Example: The estimated concrete volume for driveway slab = 1.65 m 3 Using 25 kg bags of dry-blended concrete (each producing say 0.010 m 3 of ...

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How Much Does A Standard Bag Of Concrete Cover?

How many bags will you need? On a standard bag of concrete, you will find the cubic feet the bag will fill. This is the bag’s “yield,” and this number will act as the proper coverage for your home project. The yield of most concrete mix is roughly 0.15 cubic feet for every 20 pounds of mix.

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How many 25kg bags of cement in a cubic metre of ... - Liv.52

How many 25Kg bags of cement do I need for 1 cubic metre of all-in-ballast ... 10 No of bags 3 5 7 9 11 Estimating how many 20kg bags of premix concrete to ...

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how many bags of concrete do I need to make a slab 10 ft x ...

If you are using 60 lb. bags, you will need 56. If you are using 80 lb. bags, you will need 42. Use the calculator below, and divide the 6" slab numbers by 2 to get your total. A 3" slab will be OK inside the house, but for outside, as the others have said, I'd use a minimum of 4". Hope this helps.

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12" 48 Sonotube how many bags of concrete? | Yahoo Answers

Apr 03, 2011 · Each 60 lb. bag of pre-mix will yield .5 cu ft or 864 cu in. of concrete. Your Sonotube has a total area of 5426 cu in. (pi x radius sq'd x length or 3.14 x 6 x 6 x 48) If you divide 5426 by 864 you'll get 6.28 bags of mix necessary to fill the tube.

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How many 80 lb premix concrete bags need to fill a 30 inch ...

Unless you know the volume of concrete that can be expected to be produced from an 80lb bag you cannot work it out. The volume will be expressed in cubic feet, so you need 2.5 ft x 2 ft x 1 ft = 5 cubic feet of concrete. Divide that by the amount each bag will make to find how many bags.

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Mix Design & Calculation Chart - Boral

No of bags 3 5 7 9 11 Estimating how many 20kg bags of premix concrete to order (rounded up to the nearest full bag) * 108 x 20kg bags of Boral Cement Concrete Mix will fill 1 cubic metre (m3). Depth of hole (mm) Cubic metres(m3) needed. Hole diameter (mm) 300mm 400mm 500mm 600mm 700mm 200 0.02 0.03 0.04 0.06 0.08 400 0.03 0.05 0.08 0.12 0.16

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