Concrete Mix Calculator

Calculate from

Use Published 1:2:4 when you know the finished concrete volume. Use Custom dry parts only when you already know the cement volume.

More options Hide options
Cement bags or total dry parts
—
Cement —
Sand —
Coarse aggregate —
Show calculation details Hide calculation details

Important limits

Published reference water —
Dry parts ratio —
Scope note —

More details

Volume after extra allowance —