### What are the Correct Concrete Mixing Ratios Ratio Chart

3000 psi concrete mix ratio for 1 cubic yard 1 3 3 MIX RATIO To produce a 3000 psi cubic yard of concrete 27 cubic feet the concrete mixture ratio is 517 pounds of cement or 234kg 1560 pounds of sand or 707kg 1600 pounds of stone or 725kg 32 34 gallons of water or 132L