For those guys wanting to do some DIY work at home- maybe a concrete base for your tank etc, here is a calculator you can use to determine how much you need. This is just a basic calculator:
Use the C20 calculator. Remember that the amount of water is always important:
Paving Expert - Calculators
For the more experienced Fellas, you can try this one, if you need help, please feel free to contact me:
Concrete Mix Design - Design Procedure
Use the C20 calculator. Remember that the amount of water is always important:
Paving Expert - Calculators
For the more experienced Fellas, you can try this one, if you need help, please feel free to contact me:
Concrete Mix Design - Design Procedure