# Often asked: How To Determine Amount Of Concrete Needed?

## How much quikrete do I need calculator?

Assume a 10-by-10-foot square area with concrete 4 inches thick. When you multiply 10 by 10 by. 333 feet, you get 33.333 cubic feet. Divide the total cubic feet needed by the total cubic feet that can be made from one bag of Quikrete Concrete Mix.

## How do you calculate m3 of concrete?

Multiply the width, length and depth of your area. Concrete is usually ordered in cubic metres. Here’s a conversion guide. There are 1.3 cubic yards in one cubic metre (If you have your requirement in cubic yards, all you need to do is divide by 1.3 to get the cubic metres answer).

## How many square feet does a 80lb bag of concrete cover?

4 sq feet in that amount of cement.

## How many 20kg bags of concrete do I need?

one 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. or 108 x 20kg bags equates to one cubic metre of mixed concrete.

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## Can you pour concrete directly on dirt?

Long story short, yes you can pour concrete over dirt.

## How many bags of concrete do I need for a 10×20 slab?

A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards. For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags.

## How many bags of cement is 1m3?

Approximately 29 bags are required for 1m3 of cement.

## How much is a m3 of concrete?

Ready-mixed concrete is sold by the volume, so it’s essential to know the area you’re filling. The price of concrete depends on many factors, including where you’re located and the type you’ve ordered. However, in general, you should be looking at a cost of between £65 and £85 per cubic metre.

## How many bags of cement do I need for 1 cubic meter?

Batching by volume – DIY

Materials 0.2 m3 concrete 1 m3 concrete
cement (no. 25 kg bags) 2.5 12
all-in aggregate (volume in m3) 0.25 1.3
water (volume in litres) 32 160
cement (no. 25 kg bags) 3.5 14

## What is poor man’s concrete?

We have a few companies locally that offer “poor man’s concrete“. I’m not sure exactly what it is, but I’ve seen it in driveways and such. It’s a white powdery material they dump and flatten out and when it gets wet, it’s supposed to harden like cement. But, it’s not as pretty and won’t get as hard.

## How many bags of cement do I need for 100 square feet?

Ans.:- 7.6 no of cement bags (381.30 kgs) are required for 100 sq ft rcc roof slab 4 inch thick m20 grade concrete. Ans.:- 7.6 bags (381.30 kgs), 9.5 bags (476.10 kgs) & 11.4 bags ( 570.8 kgs) cement are required for 100 sq ft rcc roof slab 4 inch, 5inch & 6 inch thick respectively in m20 grade of concrete.

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## How many 20kg bags of premixed concrete do you need?

For jobs where a stronger rated concrete is needed, youmay consider our High Strength Concrete Mix for your concreting purposes. Yield: One 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. Or 108 x 20kg bags equates to one cubic metre of mixed concrete.

## How far does a 25kg bag of concrete go?

As a rule of thumb 1 of our 25kg bags will cover an area of 0.25m to a recommended depth of 50mm. We also offer 855kg bulk bags.

## What is a 1 2 3 mix for concrete?

Concrete is made from cement, sand, gravel and water.

In making concrete strong, these ingredients should usually be mixed in a ratio of 1:2:3:0.5 to achieve maximum strength. That is 1 part cement, 2 parts sand, 3 parts gravel, and 0.5 part water.