Construction & Materials
Concrete Mix Ratio Calculator
Split a target concrete volume into cement, sand and aggregate quantities by mix ratio.
Your inputs
Change any value to update the result instantly.
Cement bags required
8.064 bags
Cement volume
0.28 m³
Sand volume
0.42 m³
Aggregate volume
0.84 m³
Dry volume (1.54×)
1.54 m³
Formula and working
part volume = total volume × (dry factor) × ratio ÷ sum(ratio)
- 1
Collect the inputs
Wet concrete volume = 1 m³; Mix ratio = 1
- 2
Apply the formula
part volume = total volume × (dry factor) × ratio ÷ sum(ratio)
- 3
Result
Cement bags required = 8.064 bags
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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