Drill Utilisation Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
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.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.