Engineering & Construction
Water-Cement Ratio Calculator
Multiply a cement weight by a water–cement ratio. One kilogram of water is taken as one litre. This is not a trial mix.
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This runs entirely in your browser. Nothing you type is sent to a server.
How to use the Water-Cement Ratio Calculator
- 1Enter the cement in kilograms.
- 2Enter the ratio, such as 0.50.
- 3Read the water in litres.
Questions
What does 0.50 mean?
Half a kilogram of water for each kilogram of cement. 50 kg of cement needs 25 litres.
Does this include water in the sand?
No. The ratio is applied to the cement weight you enter.