tibook

Free tool

Employee Attrition Rate Calculator

Measure separations against average headcount. See monthly and annualised attrition and the implied retention rate.

Explore PayrollAll tools
Calculate attrition
Attrition = separations ÷ average headcount. Average = (opening + closing) ÷ 2.
Results
Average headcount39.0
Annualised attrition92.31%
Retention7.69%

How it works

  1. 01

    Enter opening and closing headcount

    Use the same definition of employee at both dates.

  2. 02

    Enter separations

    Resignations and other exits you treat as attrition.

  3. 03

    Choose the period

    If the numbers are for one month, annualise to multiply by 12.

Frequently asked questions

Related tools

Revenue per employeeSeverance pay calculatorAll tools

Keep the same numbers in payroll

These calculators are for a quick check in the browser. TiBook Payroll stores attendance, leave, shifts and monthly salary in one workspace — without a second HR app.

Get startedExplore Payroll

Estimates only. Actual wages, EPF, EPS, gratuity and retrenchment depend on statute, wage ceilings and your appointment terms. TiBook does not file PF, ESI or income-tax returns.