Free · Business planning calculators 💼
Staffing Capacity & FTE Calculator
Express a mix of full-time and part-time staff as equivalent full-time capacity.
- Formula & worked example
- Private in your browser
- No signup
Calculator inputs
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How to use this calculator
- Enter the known values in the units shown. Results update as you type.
- Edit a calculated value to solve backwards, or lock a value to hold it fixed.
- Use the worked example to check the method. Reset restores the starting fields.
Use the result with context
Results are estimates for planning and education. Confirm rates, taxes, fees, and legal requirements with the relevant institution or a qualified professional before making a financial decision.
Formula and method
Add full-time staff to part-time staff multiplied by their hours divided by full-time hours. Use a common time period for both hour figures.
FTE = full-time staff + (part-time staff × part-time hours ÷ full-time hours)
Worked example
Enter these known values and leave the other values blank.
- Number of employees
- 10 people
- Number of employees
- 4 people
- Working hours
- 20 / weeks
- Working hours
- 40 / weeks
- Full time equivalent
- 12 FTE
Assumptions and limitations
- Inputs describe one consistent reporting period. Review the formula and counting conventions before comparing results.
Common questions
Does this determine legal employee eligibility?
No. This is a staffing-capacity calculation. Benefit programs and regulations may define hours, averaging periods and eligible workers differently.
References
The calculation equations, inverse formulas, units, and input rules were imported from this source. Bookify provides the interface and equation solver.
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