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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