Derkson Fencing
HOLE · COLUMN · ROUND FOOTING CALCULATOR

Concrete volume,
truck or bags.

Enter the diameter, depth and quantity using the units that suit your project. See cubic feet, yards and metres, concrete weight and accurate bag quantities.

1Round footing information

Enter your project

Supply method
Cylinder volume = π × radius² × depth × quantity
Accurate bag count

Bag quantities are calculated from total concrete weight using the current density, then rounded up to whole 50 lb or 80 lb bags.

Small truck orders

The configured truck charge applies when the order is 1.5 m³ or less. Minimum billable concrete is 1 m³.

Delivery and waiting

Outside-city kilometres and onsite time beyond 45 minutes are calculated separately using admin-controlled rates.