How much cement, sand and stone you need per cubic metre of concrete — the standard SA mixes.
Getting the concrete mix right controls both strength and cost. Here are the common South African ratios and roughly what materials you need per m³.
| Item | Unit | Price (ZAR) |
|---|---|---|
| Cement | per m³ concrete (1:2:3) | ~7 bags |
| Building sand | per m³ | ~0.5 m³ |
| 19mm stone | per m³ | ~0.75 m³ |
| General mix | ratio | 1:2:3 (cement:sand:stone) |
- 1:2:3 for structural concrete
- 1:3:3 for general/foundations
- ~7 bags cement per m³
- Buy sand & stone by the m³ or truckload
Related
FAQs
What is the concrete mix ratio in South Africa?
A common structural mix is 1:2:3 (cement:sand:stone); general work uses 1:3:3. Expect roughly 7 bags of cement per m³.
How much sand and stone per m³ of concrete?
About 0.5 m³ of sand and 0.75 m³ of 19mm stone per m³ of concrete.