Calculator

MTTR Calculator

Calculate average time required to restore an asset after failure.

What this calculator tells you

Use total repair time across completed repair events in a consistent period.

Formula

MTTR = Total repair time ÷ Number of repairs

Use consistent time periods and definitions. This result is a decision aid; validate source data and segment results by asset or work type where appropriate.

Total repair time

hours

Number of repairs

Result

Enter values to calculate

Related resources

Knowledge•Maintenance KPIs

MTTR

Mean time to repair (MTTR) is the average elapsed time required to restore an asset after failure. Learn a practical, repeatable approach your maintenance team can use.

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