MTBF/MTTR Calculator

Calculate Mean Time Between Failures (MTBF), Mean Time To Repair (MTTR), and Availability.

Input Data

What are MTBF and MTTR?

MTBF (Mean Time Between Failures) measures the average time between equipment breakdowns — higher is better. MTTR (Mean Time To Repair) measures average repair duration — lower is better. Together they determine equipment Availability.

Learn more: MTBF Encyclopedia / MTTR Encyclopedia