How to measure stockpile volume with a drone
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How to measure stockpile volume with a drone

5 min read · Delta Astra · Updated Jul 2026

To measure a stockpile with a drone: fly a grid over it, reconstruct the surface photogrammetrically, set a base plane, and let the platform compute volume automatically. Results are repeatable and typically within ±2–3% — accurate enough to reconcile inventory and certify bills.

1. Capture the pile

Fly a grid with enough overlap and, ideally, ground control for accuracy. Consistent capture means month-to-month volumes are comparable.

2. Reconstruct and set the base

The imagery is reconstructed into a surface. You then define the base plane — the ground the pile sits on — which is the single biggest driver of accuracy.

3. Compute and reconcile

Volume is computed automatically against the base. Repeat on a cadence to track drawdown and reconcile against inventory or billing.

Key takeaways

  • Grid flight + overlap gives a clean surface
  • The base plane choice drives accuracy most
  • Automated volume is repeatable to ±2–3%
  • Regular capture tracks drawdown and reconciles billing

Frequently asked

How accurate is drone stockpile measurement?
Typically within ±2–3% with good capture and a correct base plane — accurate enough for inventory reconciliation and billing.
How often should stockpiles be measured?
Monthly is common for reconciliation; higher-value or fast-moving material may warrant more frequent capture.

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