MTBF Calculator
Calculate Mean Time Between Failures (MTBF), MTBF in days, and failure rate from operational hours and number of failures.
How to Use the MTBF Calculator
- Enter total operational hours.
- Enter number of failures during that period.
- Click Calculate to get MTBF and failure rate.
Cas d'utilisation
- •Assessing hardware reliability for procurement decisions.
- •Planning maintenance schedules based on failure history.
- •Reporting system reliability to management.
- •Comparing vendor hardware reliability specifications.
Formule
MTBF = Total Operational Time / Number of Failures. Failure Rate = 1 / MTBF.
Questions fréquemment posées
What is MTBF?
MTBF (Mean Time Between Failures) is the average time a system operates between failures. Higher MTBF means more reliable.
How is failure rate related to MTBF?
Failure rate = 1 / MTBF. A system with MTBF of 1000 hours has a failure rate of 0.001 failures/hour.
What is a good MTBF for servers?
Enterprise servers typically target MTBF of 100,000+ hours. Consumer hardware may be 50,000 hours.