Reliability & quality engineering
Engineering workbench
19 calculators, 7 quality tools and 3 converters for MTBF, MTTR, availability, OEE and more. Free, no signup — your inputs are calculated in the browser and never uploaded.
Quick calculation
Availability
A = MTBF / (MTBF + MTTR)Availability
99.206%
- Downtime
- 2.9 d/yr
- Nines
- 2.1
All tools
29Core Reliability
- MTTR CalculatorMean Time To Repair
- MTBF CalculatorMean Time Between Failures
- AvailabilitySystem Availability
- Uptime & SLAAllowed Downtime by Nines
- OEE CalculatorOverall Equipment Effectiveness
- Takt TimePace of Customer Demand
- Failure Rate (λ)Failure Rate from MTBF
- MTTF CalculatorMean Time To Failure
- Reliability R(t)Exponential Reliability