What this calculator does
Use consistent failure and restoration definitions. The result helps separate repeated failure frequency from slow recovery.
Searches this tool helps answer
- MTBF calculator
- MTTR calculator
- machine availability calculator
Enter your production figures
Enter your figures and select calculate.
How the calculation works
MTBF = operating hours ÷ failures. MTTR = restoration hours ÷ repairs. Availability estimate = MTBF ÷ (MTBF + MTTR).
Use consistent boundaries: compare scenarios with the same product, pack, time period, cost basis and definition of a good unit.
Use the result to review
- MTBF
- MTTR
- Availability estimate
- Failure frequency
Validate the entered assumptions against production records before using the result in an investment, compliance or capacity decision.
Questions customers also ask
What counts as a failure?
Define it before collecting data and use the definition consistently.
Should planned maintenance be included?
Normally track it separately unless your chosen definition explicitly includes it.
Can availability exceed measured production availability?
Yes. This simple estimate does not include all planned loss, speed loss or quality loss.
What if there are no failures?
The observed period is failure-free, but a finite MTBF cannot be established from zero events.
Need the figures reviewed against a real line?
Send the product, pack, available time, measured output and the assumptions used in the calculation.