Calculator
Enter the production figures
Enter the measured running time, number of failures and total corrective repair time for one clearly defined asset and reporting period.
Enter the figures and select Calculate result.
Free production calculator
MTBF, MTTR and Technical Availability Calculator
Calculate mean time between failures, mean time to repair and inherent availability from operating and repair data.
Questions about this calculator
What is MTBF?
Measured running time divided by the number of qualifying failures.
What is MTTR?
Total corrective repair time divided by the number of qualifying failures.
What availability is calculated?
The tool uses MTBF ÷ (MTBF + MTTR), an inherent technical-availability estimate.
Why may OEE availability differ?
OEE availability normally uses planned production time and can include a wider set of stops than maintenance failure data.