Translation guide
MTTR (Mean Time To Repair) is a technical metric used in maintenance and reliability engineering. This guide helps you express the concept naturally in Japanese business and technical contexts.
The average time required to repair a system or component and return it to operational status.
Standard Japanese translation of MTTR. Widely understood in engineering and maintenance fields.
The MTTR for this system is 2 hours.
Also common, especially when emphasizing the repair action rather than restoration.
We need to reduce the MTTR.
The English acronym is frequently used as-is in Japanese technical documents and conversations.
Please set a target value for MTTR.
In IT service management, the average time to recover from a failure, including detection, diagnosis, and restoration.
In customer support or incident management, the average time to first respond to a reported issue.
Do not translate MTTR word-for-word as 「修理までの平均時間」. Use the established terms above.
MTTR can mean repair, recovery, or response. Choose the Japanese term that matches the specific metric. When in doubt, use 平均修復時間 for physical repairs and 平均復旧時間 for IT services.
We calculate MTTR from the time of failure.
We improved the MTTR for incidents.