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Employee Leavers & Turnover Percentage Calculator

Calculate staff turnover from leavers and average headcount.

  • Formula & worked example
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Calculator inputs

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How to use this calculator

  1. Enter the known values in the units shown. Results update as you type.
  2. Edit a calculated value to solve backwards, or lock a value to hold it fixed.
  3. 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

Starting headcount of 80 and ending headcount of 120 give an average of 100. Ten leavers during that period represent employee turnover of 10%.

Turnover (%) = leavers ÷ average headcount × 100; two-point average = (starting + ending headcount) ÷ 2

Worked example

Enter these known values and leave the other values blank.

Calculate average number of employees?
Yes
Employees at the beginning
80
Employees at the end
120
Number of employees who left
10
Turnover rate
10 %

Assumptions and limitations

  • Yes. Choose No for calculating the average and enter your own average headcount. Use leavers from the same period and a consistent definition of which departures are included.
  • Use consistent periods, currency and accounting definitions. The result follows the stated formula and the figures you supply.

Common questions

Can I enter an average calculated from monthly records?

Yes. Choose No for calculating the average and enter your own average headcount. Use leavers from the same period and a consistent definition of which departures are included.

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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