Man Hours Calculator
Man-Hours Calculator
The Man Hours Calculator used in project management and workforce planning to estimate the total amount of human labor required to complete a task or project. It helps managers allocate resources efficiently and predict project timelines accurately.
Man Hours Calculation Chart
| Task | Workers | Days | Hours/Day | Total Man Hours |
|---|---|---|---|---|
| Foundation work | 4 | 5 | 8 | 160 |
| Framing | 6 | 7 | 8 | 336 |
| Roofing | 3 | 3 | 8 | 72 |
| Interior finishing | 5 | 10 | 8 | 400 |
| Total | 968 |
Total Man Hours Calculation Formula
The Total Man Hours Calculation Formula is:
Total Man Hours = Number of Workers Number of Days Hours Worked per DayLet’s calculate the man hours for the framing task:
Total Man Hours = 6 workers 7 days 8 hours/day = 336 man hoursHow Do You Calculate Man Hours?
- Identify all tasks within the project.
- Estimate the number of workers needed for each task.
- Determine the duration (in days) for each task.
- Establish the number of working hours per day.
- Apply the formula: Man Hours = Workers Days Hours per Day
- Sum the man hours for all tasks to get the total for the project.
Let’s calculate man hours for a software development project:
Design phase: 2 designers for 5 days, 7 hours/day
Man Hours = 2 5 7 = 70 hours
Coding phase: 4 programmers for 15 days, 8 hours/day
Man Hours = 4 15 8 = 480 hours
Testing phase: 3 testers for 7 days, 6 hours/day
Man Hours = 3 7 6 = 126 hours
Total Man Hours for the project = 70 + 480 + 126 = 676 hours