Drill Utilisation Calculator
Computes drill utilisation as operating hours over available hours as a percentage.
Enter Values
Before you rely on this: First-pass guide only. Verify safety-critical or regulated work against the relevant standards, your project requirements and a qualified professional.
How to use this calculator
- Enter the operating hours and the available hours.
- Press Calculate.
- Read the utilisation percentage.
How it works
Utilisation = operating hours ÷ available hours × 100. Available hours usually exclude planned maintenance and standby.
Worked example
18 of 24 hours. 75% utilisation.
Frequently asked questions
Utilisation vs availability?
Availability is how much the rig could run; utilisation is how much it actually ran. Both feed productivity analysis.
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Explore more in Mining, Quarry, Earthworks, Drill & Blast.
Cite this tool
Zerdly. (2026). Drill Utilisation Calculator. Retrieved from https://www.zerdly.com/tools/drill-utilisation-calculator/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.