Online concrete calculators to estimate how much concrete you will need. Includes ready-mix, pre-mix and self-mix concrete calculators.
Estimate the amount of ready-mix concrete needed.
Estimate the amount of concrete needed for pouring various shapes.
Use these concrete calculators to calculate the number of bags you need.
Mix concrete by hand using cement, sand and rocks.
Calculate the number of rebar lengths needed for concrete reinforcement.
Calculate the weight of the concrete.
Calculate concrete needed plus cost for cubic yards and cubic metres
Concrete volume using square footage/metres of an area
Convert between weight and volume measurements used with concrete.
Convert between pressure units used for concrete strength.