Last Updated：2025/11/21

One person's working time for a month, or the equivalent, used as a measure of how much work or labor is required or consumed to perform some task.

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man-month

Source Word

man-month

One person's working time for a month, or the equivalent, used as a measure of how much work or labor is required or consumed to perform some task.

Japanese Meaning

1人の労働者が1か月間働く作業量を指し、プロジェクト等の必要な作業量や消費される労働力の評価単位として用いられる。

The database migration required a man-month of focused effort from the senior engineer.

データベース移行には、シニアエンジニア1人が1か月間集中して作業するほどの工数（人月）が必要だった。

Sense（1）

One person's working time for a month, or the equivalent, used as a measure of how much work or labor is required or consumed to perform some task.

man-months

（ plural ）