Last Updated：2025/11/23

One person's working time for a day, 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-day

Source Word

man-day

Noun

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

Japanese Meaning

一人が1日間に達成可能な作業量を表す単位。 / 作業時間や労働力の投入量を評価する際の基準として使われる、1日分の労働の量。

We estimate the project will require about 120 man-day to complete the first phase.

私たちは、このプロジェクトの第1フェーズを完了するには約120人日が必要だと見積もっています。

Sense（1）

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

man-days

（ plural ）