noun
workload; man-hours
Business and engineering term for the amount of work, often measured in person-hours or person-days. Used in project management, cost estimation, and resource planning.
このプロジェクトの工数を見積もってください。
Please estimate the man-hours for this project.
工数が足りないので、人員を増やす必要がある。
We don't have enough man-hours, so we need to increase staff.
Compound of 工 (work, craft) and 数 (number). The term is a modern coinage used in industrial engineering and project management.