The Concrete Calculator estimates the volume and weight of concrete
necessary to cover a given area. Purchasing slightly more concrete
than the estimated result can reduce the probability of having
insufficient concrete.
Slabs, Square Footings, or Walls
meters
meters
centimeters
Result
Volume:0 cubic feet
or 0 cubic yards
or 0 cubic meters
If using pre-mixed concrete with density of 2,130 kg/m³ or 133
lbs/ft³*:
Weight needed0 lbs or
0 kg
Using 60-lb bags 0 bags
Using 80-lb bags 0 bags
* Different types of concrete can have very different densities.
Hole, Column, or Round Footings
meters
meters
Result
Volume:0 cubic feet
or 0 cubic yards
or 0 cubic meters
If using pre-mixed concrete with density of 2,130 kg/m³ or 133
lbs/ft³*:
Weight needed0 lbs or
0 kg
Using 60-lb bags 0 bags
Using 80-lb bags 0 bags
* Different types of concrete can have very different
densities.
Circular Slab or Tube
meters
meters
centimeters
Result
Volume:0 cubic feet
or 0 cubic yards
or 0 cubic meters
If using pre-mixed concrete with density of 2,130 kg/m³ or 133
lbs/ft³*:
Weight needed0 lbs or
0 kg
Using 60-lb bags 0 bags
Using 80-lb bags 0 bags
* Different types of concrete can have very different densities.
Curb and Gutter Barrier
centimeters
centimeters
centimeters
centimeters
meters
Result
Volume:0 cubic feet
or 0 cubic yards
or 0 cubic meters
If using pre-mixed concrete with density of 2,130 kg/m³ or 133
lbs/ft³*:
Weight needed0 lbs or
0 kg
Using 60-lb bags 0 bags
Using 80-lb bags 0 bags
* Different types of concrete can have very different densities.
Stairs
centimeters
centimeters
centimeters
centimeters
Result
Volume:0 cubic feet
or 0 cubic yards
or 0 cubic meters
If using pre-mixed concrete with density of 2,130 kg/m³ or 133
lbs/ft³*:
Weight needed0 lbs or
0 kg
Using 60-lb bags 0 bags
Using 80-lb bags 0 bags
* Different types of concrete can have very different densities.