## How do you calculate concrete in metric?

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 do you calculate concrete slab?

How to calculate concrete:

- Determine how thick you want the concrete.
- Measure the length and width that you’d like to cover.
- Multiply the length by the width to determine square footage.
- Convert the thickness from inches to feet.
- Multiply the thickness in feet by the square footage to determine cubic feet.

**How many metric 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. Concrete Mix comes 20kg plastic lined, multi-walled paper sacks, and small handy 10kg plastic bags.

### How do you convert mm to m3?

Cubic Meter Calculator Formula

- Length (in centimeter) X Width (in centimeter) X Height (in centimeter) / 1000000 = Cubic meter (m3)
- We can input dimensions in Centimeter, milimeter, meter, inch, feet or yard.

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

One cubic meter of concrete is equal to 1.308 cubic yards of concrete. If there are 5 1/2 bags of cement in 1 cubic yard of concrete, there would be 7.2 bags in 1 cubic meter of concrete. These are the 94 pound bags of portland cement or 42.64 kg bags of cement. Join in and write your own page!

**How many bags of concrete do I need for a 10×10 slab 4 inches thick?**

Regarding this, “how many bags of concrete do I need for a 10×10 slab of 4 inch thick?”, at 4 inches thick, generally you will need 49 bags of 90lb ready mix concrete, 56 bags of 80lb concrete, 74 bags of 60lb concrete or 111 bags of 40lb ready mix concrete for a 10×10 slab.

## How much does a 30×30 concrete slab cost?

How much is the cost of a 30×30 concrete slab? A 30×30 foot concrete slab costs about $5,400 including installation. This is for 6-inch thickness, but can go up or down depending on what your concrete pro recommends.

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

Regarding this, “how many bags of concrete do I need for a 10×10 slab?”, at 4 inches thick, generally you will need approximately either 74 bags of 60lb or 56 bags of 80lb premixed concrete for a 10×10 slab, at 5 inches thick slab, either 93 bags of 60lb or 70 bags of 80lb premixed concrete are required, while at 6 …

**How many bags of concrete do I need for 1 cubic meter?**

How many bags of cement are needed to mix one cubic meter of concrete? A. One cubic meter of concrete is equal to 1.308 cubic yards of concrete. If there are 5 1/2 bags of cement in 1 cubic yard of concrete, there would be 7.2 bags in 1 cubic meter of concrete.

### How do you calculate water per cubic meter?

Meters measure water use in cubic meter. To determine the amount of water used since your last reading, take the current meter read and subtract the previous meter read (from your water bill), which will give you the number of cubic meter/s used. For example, if your previous read was 001,200.

### How do you calculate M3?

CBM Calculation Formula

- Length (in meter) X Width (in meter) X Height (in meter) = Cubic meter (m3)
- We can define dimensions in Meter, Centimeter, Inch, Feet.

**How do you calculate cement slab?**

Calculate the amount of concrete you will need. Concrete is sold in cubic yards (27 square feet), so you will need to multiply your square footage from Step 1 by the depth of slab, then divide by 27. For example, a 10-foot-by-10-foot slab would require 1.3 yards of concrete. This is equal to [(10x10x.33 feet)/27].

## What is the formula for calculating concrete?

How to Calculate Concrete Formula Know that the formula for calculating concrete consists of the following: ( (length x width x height)/27) x 1.05 = Total concrete needed plus 5 percent extra. Measure the length, width and height of the area to be filled. Multiply the length by the width by the height in the following manner to determine how many cubic feet of concrete you need: 100 x 100 x 1/3

## How do you figure out a yard of concrete?

Concrete is measured by the cubic yard – measuring three feet by three feet by three feet, or 27 cubic feet.

**How many square feet in a yard of concrete?**

Yard of concrete- One cubic yard of concrete is 3′ X 3′ X 3′ in volume, or 27 cubic feet. One cubic yard of concrete will pour 80 square feet of 3 ½” sidewalk or basement/garage floor.