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Concrete calculator
How much cement, sand, aggregate and water a pour needs, with the working shown.
The working
- Volume: length × width × depth × number
- 0 m³
- With 0% wastage
- 0 m³
- Dry volume: × 1.54
- 0 m³
- Mix 1 : 1.5 : 3 has 5.5 parts; cement is 1 part at 1,440 kg/m³
- 0 kg
- Bags at 50 kg, rounded up
- 0
Before you order
- These are nominal volume mixes for planning and ordering. Your engineer’s specification and drawings take priority.
- Water is an estimate at a water to cement ratio of 0.5. Adjust for wet sand and aggregate.
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