Videoman-day

The term man-day is an essential unit of measurement in project management and labor estimation. It quantifies the amount of work a single person can complete in one full day, allowing managers to calculate total effort, set budgets, and track productivity across complex tasks. This lesson covers the primary definition of man-day, its use in professional budgeting through man-day rates, and its relationship to other units like man-hours and man-years. You will also learn about modern gender-neutral alternatives like person-day. Watch this video to master this technical vocabulary for your next project.

man-day
A worker completes one man-day of labor on the construction site.