Hole Fill Calculator
Volume = π × (d/2)² × depth × count.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Hole diameter, depth, and number of identical holes.
What the math is doing
Sum of cylindrical volumes.
Frequently asked questions
Bell bottom?
Not modeled.
Rock sockets?
Field measure actual depth.
Auger spoil?
Haul off volume may differ from backfill volume.
Concrete vs fill?
Use concrete calculators for concrete fills.