Name: Attrition Rate Calculator
Rating: 5.00 (1 reviews)
Author: Mailmodo

How to use this attrition rate calculator

To calculate the attrition rate, enter the number of employees at the start of the period, the number of employees at the end of the period, and the number of employees who left during that period. The tool will instantly calculate your attrition rate, giving you insight into workforce trends.

Attrition rate formula

An image showing attrition rate formula

Attrition Rate (%)=(Number of Employees Who Left/Average Number of Employees During the Period)×100

Average Number of Employees = Number of Employees at the Start + Number of Employees at the End) / 2

Understanding the attrition rate result

The attrition rate result indicates the proportion of employees leaving over a given period. The ideal rate is generally considered to be 10% or less.

A high attrition rate may suggest issues such as employee dissatisfaction, lack of growth opportunities, or inadequate compensation.
Low attrition rate: A low attrition rate indicates that your business has effective employee retention strategies and a stable workforce.

When to calculate attrition rate

Here are some key scenarios where you should calculate your attrition rate:

During regular HR reviews to monitor employee turnover
After significant organizational changes, such as mergers or restructuring
To compare performance against industry standards
When developing or assessing HR strategies and employee engagement programs
While preparing reports for management or stakeholders

How to calculate Attrition rate with example

Imagine your company had 200 employees at the start of the year, 190 employees at the end, and 25 employees left during the year, your attrition rate can be calculate as follows:

Attrition Rate (%)=(Number of Employees Who Left/Average Number of Employees During the Period)×100

Average Number of Employees = (200+190) / 2 =

Attrition Rate=(25/195)×100=12.82%

In this example, the attrition rate is approximately 12.8%, indicating that about 12.8% of your employees left during the year.