Availability Calculator
Calculate system availability using uptime/downtime data or MTBF/MTTR values to assess reliability performance.
Input Parameters
Results
Enter your parameters and click “Calculate Availability” to see results
Formula Information
Uptime/Downtime Method
Availability = (Uptime / Total Time) × 100%
Where Total Time = Uptime + Downtime
MTBF/MTTR Method
Availability = (MTBF / (MTBF + MTTR)) × 100%
More suitable for reliability engineering analysis