Headcount answer such questions:

- How many contractors vs. full-time employees work in a specific department?
- How big is the team?
- How many people should we have the next year to reach the goal?
- Are we overstaffed for a particular role?

An average headcount formula is outlined as follows:

where:

*n*– days total*m*– first day*a*– headcount at_{i}*i*-dayAverage headcount of the firm for a week is 13.8.