Engineering & Construction
Concrete Mix Proportion Calculator
Split a wet concrete volume into cement, sand and aggregate using the three parts you enter.
Free forever.
The three parts split a dry volume of 1.54 × the wet volume. Cement uses 0.035 m³ per 50 kg bag.
Result
Press Calculate.
Result
Press Calculate.
How to use the Concrete Mix Proportion Calculator
- Enter the wet volume.
- Enter cement, sand and aggregate parts.
- Read bags, sand and aggregate.
Questions
How is this different from the material estimator?
That page offers three fixed mixes. This page uses the parts you type.
What is a bag?
50 kg of cement, taken as 0.035 m³.
This runs entirely in your browser. Nothing you type is sent to a server.