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How To Calculate Water Content For 1 m³ M25 Concrete

How To Calculate Water Content For 1 m³ M25 Concrete?

The calculation of water content for 1 m³ M25 concrete is very easy and simple.

We just need to know:

1. Consumption of cement per m³

2. Water-cement ratio.

Here, Grade of concrete is M25.

If it’s a design mix, both of these parameters shall be obtained the laboratory.

In absence of this information, let’s proceed by some assumptions:

Cement required for 1 m³ of M25 grade concrete is 9.51 bags.( Standard data)

As we know 1 bag of cement contains 50 kg of cement.

∴ 9.51*50 = 476 Kg of cement.

Let’s assume that the water cement ratio is 0.5.

Remember the formula :

W/c ratio =Water content /Cement content


Water content= Cement content x W/c ratio

Water content = 476 Kg x 0.5 = 238 Kg.

We know, 1 Kg =1 litre

So water content= 238 Kg. = 238 Litres

Add 5% wastage of water during mixing, handling,

∴ Water content = 5×238/100 + 238 = 250 litres.

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Comments ( 3 )

  1. Hey,

    Great post! Thank You, for such useful information.
    Really helpful artical.


  2. how calculate steel bar in slab

  3. Me fresher hu mujhe civil me construction ke bare me sikhna hai

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