Concrete is a mixture of cement, sand, aggregate, and water. So, 1m cube concrete weight depends upon the proportion of these materials used to prepare concrete and the density of the materials.
Generally, 1m cube Concrete weight in Kg and Pound varies from 2200 Kg ( 4850.16 Pound) to 2800 Kg (6172.9 Pound) depending upon the density of materials like cement, sand and aggregate.
Concrete is widely used for the construction of buildings, Road, Culvert, bridges and retaining structures. While designing different structure we have to calculate the load which will applied on the structure.
While designing any concrete frame structure, we have to apply different load like Live load, sesmic load, Dead load etc. To calculate the dead load of the structure we have to know the weight of the concrete. So, weight of concrete is necessary to know before designing and analyzing any structure.
Before calculation of weight of concrete, we must have knowledge of different grade of concrete. Grade of concrete may be different for different country.
According to Indian standards, there are different grades of concrete containing different mix ratios of cement, sand, and aggregate. Like given below.
Different Grade of Concrete and Mix Ratios
| S.N | Grade | Mix (Cement:Sand:Aggregate) |
| 1 | M7.5 | 1:4:8 |
| 2 | M10 | 1:3:6 |
| 3 | M15 | 1:2:4 |
| 4 | M20 | 1:1.5:3 |
| 5 | M25 | 1:1:2 |
Here, I will show you how to calculate 1m cube concrete weight in Kg and pound for M20 grade of concrete. So, lets start our calculation.
First of all we have to convert 1 meter cube of concrete into dry volume. So, Dry volume of concrete will be = 1 x 1.54 = 1.54 meter cube.
(Since, Dry Volume of Concrete = Wet volume x 1.54)
Suppose we have ingredient like cement, sand , aggregate of density 1440 kg/meter cube, 1500 Kg/meter cube and 1700 Kg/meter cube respectively.
Remember. I have taken the density of materials according to my site location. It may be different according to your location, and types of stone used to make concrete.
Now, for M20 grade of concrete, we have mix ratio of cement:sand:aggregate as 1:1.5:3.
So, for 1 meter cube of concrete the volume of each ingredient will be given by formula,
a) Volume of cement = Ratio of cement/Sum of ratio x Total Volume
b) Volume of cement = Ratio of Sand/Sum of ratio x Total Volume
c) Volume of cement = Ratio of Aggrgate/Sum of ratio x Total Volume
Here, Sum of ratio will be = (1+1.5+3) = 5.5
and total volume will be 1.54 meter cube
Now, Let us calculate weight of different ingredient step by step.
How to calculate 1m cube Concrete weight?
Step 1:- Calculate Volume of Cement, Sand and Aggregate
a) Volume of cement = 1/5.5 x 1.54 = 0.28 meter cube
b) Volume of Sand = 1.5/5.5 x 1.54 = 0.42 meter cube
c) Volume of Aggregate = 3/5.5 x 1.54 = 0.84 meter cube
Step 2:- Calculate Weight of Cement, Sand and Aggregate
a) Weight of cement = Volume of cement x Density of Cement
= 0.28 x 1440 = 403.2 Kg (888.90 Pound)
b) Volume of Sand = Volume of Sand x Density of Sand
= 0.42 x 1500 = 630 Kg. (1388.91 Pound)
c) Volume of Aggregate =Volume of Aggregate x Density of Aggregate
= 0.84 x 1700 = 1428 Kg. (3148.201 Pound)
Now, If we add all the weight of cement, sand and aggregate of 1 meter cube concrete then we will get.
Step 3:- Add all weight of Cement, Sand and Aggregate
= 403.2 + 630 +1428 = 2461.2 Kg (5426.01 Pound)
Hence, In this way we can calculate 1m cube concrete weight in Kg and Pound. The weight of 1 meter cube concrete may be different for different grade of concrete because for different grade of concrete we ad different ratio of cement, sand and aggregate and each have different density.
I hope this article remains helpful for you.
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