How to Calculate M T T R
What is M T T R?
An MTTR (mean time to recovery) calculator computes the average time to restore a service after an incident, based on historical incident data. MTTR is a key DevOps metric — elite teams achieve MTTRs under one hour; the industry average is closer to 24 hours.
Step-by-Step Guide
- 1Define availability percentage targets
- 2Set response time commitments
- 3Calculate penalty thresholds
Worked Examples
Input
99.9% uptime, 1 hour response
Result
Breached if <99.8%
SLO is internal target
Common Mistakes to Avoid
- ✕Wrong parameters
- ✕Missing adjustments
Frequently Asked Questions
What does this calculator do?
Set parameters
How do I use this calculator?
Run calculation
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