also: にんび
man-day; person-day
Unit of work representing one person working for one day, used in project management and cost estimation.
This project requires a total of 100 man-days of work.
The estimate is calculated at 5 person-days.
Standard kanji form for the unit 'man-day'.
Alternate reading, less common than にんにち.
Compound of 人 (person) and 日 (day), directly meaning 'person-day'.