Home Back

How to Calculate Attrition Rate

Attrition Rate Formula:

\[ \text{Attrition Rate} = \left( \frac{\text{Number of Departures}}{\text{Average Number of Employees}} \right) \times 100 \]

employees
employees

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Attrition Rate?

Attrition Rate is a human resources metric that measures the rate at which employees leave an organization over a specific period. It helps organizations understand employee turnover patterns and identify potential issues in workforce management.

2. How Does the Calculator Work?

The calculator uses the attrition rate formula:

\[ \text{Attrition Rate} = \left( \frac{\text{Number of Departures}}{\text{Average Number of Employees}} \right) \times 100 \]

Where:

Explanation: The formula calculates the percentage of employees who left the organization relative to the average workforce size during the measurement period.

3. Importance of Attrition Rate Calculation

Details: Monitoring attrition rate helps organizations assess employee retention, identify turnover trends, evaluate HR policies, and estimate recruitment needs. High attrition rates may indicate workplace issues that need addressing.

4. Using the Calculator

Tips: Enter the number of employees who departed during the period and the average number of employees. Both values must be positive numbers, with average employees greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What's considered a good attrition rate?
A: Industry standards vary, but generally 10-15% annually is acceptable for most industries. Rates above 20% may indicate retention problems.

Q2: How is average number of employees calculated?
A: Typically calculated as (Number of employees at start of period + Number of employees at end of period) ÷ 2.

Q3: What's the difference between attrition and turnover?
A: Attrition refers to natural reduction (retirements, resignations) while turnover includes all departures including replacements.

Q4: How often should attrition rate be calculated?
A: Most organizations calculate it monthly, quarterly, and annually to track trends and seasonal patterns.

Q5: What factors can affect attrition rate?
A: Industry norms, economic conditions, company culture, compensation, career opportunities, and management quality all influence attrition rates.

How to Calculate Attrition Rate© - All Rights Reserved 2025