Business planning

Employee Turnover Rate Calculator

Divide the number of employees who left by your average headcount to find the turnover rate over the period.

  • Free
  • No sign-up
  • Updated for 2026

Separations & headcount

Enter separations and average headcount to see the turnover rate.

Worked example

With these example inputs:

  • Employees who left15
  • Average number of employees120

Turnover rate: 12.5%

  • Employees who left15
  • Average employees120

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What a turnover rate tells you

A turnover rate shows how many people leave a team. It compares departures to your headcount. You enter the number of employees who left. You also enter the average number of employees. The tool returns the rate as a percent. That single figure is easy to track.

Why turnover rate matters

High turnover costs time and money. Each exit means hiring and training again. A rising turnover rate can signal a deeper problem. A low one points to a stable team. The number turns a vague worry into a clear measure. It also helps you set a sensible goal.

How to use this calculator

Enter two numbers. First put in the count of employees who left. Then enter your average number of employees. The tool divides one by the other. It shows the turnover rate as a percent. Change either figure and it updates.

How it is calculated

The formula is short. Turnover rate = (employees who left / average headcount) × 100. You divide leavers by the average team size. Then you read the share as a percent. There is no money in this measure. It is a plain ratio of people.

A worked example

Say fifteen people left over the year. The team held an average of one hundred twenty. Divide fifteen by one hundred twenty. The result is twelve and a half percent. That is your turnover for the period.

Reading the result

A low percent means most staff stayed. A high one means many people moved on. Compare it to your own past periods. Compare it to similar firms if you can. The trend matters more than one figure. A single high quarter may just be noise.

What counts as a departure

Decide which exits you will count. Some include only voluntary leavers. Others count every exit, planned or not. Be clear about retirements and transfers. Use one rule so periods stay comparable.

Common mistakes to avoid

One slip is using a headcount from one day. Use a true average across the period. Another is mixing part-time and full-time counts. People also change the rule between periods. Keep the method steady for a fair turnover rate.

The limits of this tool

This calculator gives one rate only. It does not show why people left. It cannot split teams or roles for you. It also ignores the timing of exits. Use it as a starting signal, not a diagnosis. The real causes need a closer look.

Using turnover to act

A high rate is a prompt to dig deeper. Look at exit interviews and pay levels. Check whether one team drives the number. The turnover rate points you toward the question. The answers come from a closer look.

A final tip

Track the rate each quarter, not just yearly. A short window can flag a fast change. Compare a few periods to see the direction. A steady measure keeps your read honest.

Frequently asked questions

How is the turnover rate calculated?

Divide the number of departures by the average headcount, then multiply by 100. 15 leavers out of 120 employees is a 12.5% turnover rate.

What counts as a high turnover rate?

It varies widely by industry. Retail and hospitality often run high, while many office roles sit in single digits. Compare against peers in your sector for context.