#attrition-calc-container {
background: #ffffff;
border: 1px solid #e0e0e0;
border-radius: 8px;
padding: 20px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.calc-header {
text-align: center;
margin-bottom: 25px;
background: #f8f9fa;
padding: 15px;
border-radius: 6px;
}
.calc-header h2 {
margin: 0;
color: #2c3e50;
}
.input-group {
margin-bottom: 20px;
}
.input-group label {
display: block;
margin-bottom: 8px;
font-weight: 600;
color: #4a5568;
}
.input-group input {
width: 100%;
padding: 12px;
border: 1px solid #cbd5e0;
border-radius: 4px;
font-size: 16px;
box-sizing: border-box;
}
.input-group input:focus {
outline: none;
border-color: #3182ce;
box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
}
.help-text {
font-size: 0.85em;
color: #718096;
margin-top: 4px;
}
button.calc-btn {
width: 100%;
background-color: #3182ce;
color: white;
border: none;
padding: 14px;
font-size: 18px;
font-weight: bold;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.2s;
margin-top: 10px;
}
button.calc-btn:hover {
background-color: #2c5282;
}
#results-area {
margin-top: 30px;
padding: 20px;
background-color: #ebf8ff;
border-radius: 6px;
border-left: 5px solid #3182ce;
display: none;
}
.result-row {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
padding-bottom: 10px;
border-bottom: 1px solid #bee3f8;
}
.result-row:last-child {
border-bottom: none;
margin-bottom: 0;
padding-bottom: 0;
}
.result-label {
font-weight: 600;
color: #2d3748;
}
.result-value {
font-weight: bold;
font-size: 1.2em;
color: #2b6cb0;
}
.big-result {
font-size: 2em;
color: #c53030;
}
.article-content {
margin-top: 40px;
padding-top: 20px;
border-top: 1px solid #eee;
}
.article-content h2 {
color: #2d3748;
margin-top: 30px;
}
.article-content h3 {
color: #4a5568;
}
.article-content ul {
padding-left: 20px;
}
.article-content li {
margin-bottom: 10px;
}
.formula-box {
background: #f7fafc;
padding: 15px;
border-left: 4px solid #718096;
font-family: monospace;
margin: 15px 0;
}
@media (max-width: 600px) {
.result-row {
flex-direction: column;
align-items: flex-start;
}
.result-value {
margin-top: 5px;
}
}
function calculateAttrition() {
var startCount = parseFloat(document.getElementById('employeesStart').value);
var endCount = parseFloat(document.getElementById('employeesEnd').value);
var separations = parseFloat(document.getElementById('separations').value);
var resultArea = document.getElementById('results-area');
// Reset previous analysis
document.getElementById('analysis-text').innerHTML = ";
// Validation
if (isNaN(startCount) || isNaN(endCount) || isNaN(separations)) {
alert("Please enter valid numbers for all fields.");
return;
}
if (startCount < 0 || endCount < 0 || separations < 0) {
alert("Values cannot be negative.");
return;
}
if (startCount === 0 && endCount === 0) {
alert("Average headcount cannot be zero.");
return;
}
// Calculation Logic
// 1. Calculate Average Headcount = (Start + End) / 2
var averageHeadcount = (startCount + endCount) / 2;
// 2. Calculate Attrition Rate = (Separations / Average Headcount) * 100
var rawRate = (separations / averageHeadcount) * 100;
var finalRate = rawRate.toFixed(2);
// Display Results
resultArea.style.display = 'block';
document.getElementById('dispAvgHeadcount').innerText = Math.round(averageHeadcount).toLocaleString();
document.getElementById('dispRate').innerText = finalRate + "%";
// Dynamic Analysis Text
var analysis = "";
if (rawRate < 10) {
analysis = "This indicates a
attrition rate. You are retaining employees well compared to most industry averages.";
} else if (rawRate >= 10 && rawRate <= 20) {
analysis = "This is a
attrition rate, often considered healthy for bringing in new talent without losing institutional knowledge.";
} else {
analysis = "This is a
attrition rate. You may be facing retention issues that could impact productivity and recruitment costs.";
}
document.getElementById('analysis-text').innerHTML = analysis;
}
How to Calculate Attrition Rate Annually
Understanding employee attrition is crucial for HR professionals and business leaders. The attrition rate, often referred to as the "churn rate" or "turnover rate," measures the percentage of employees who leave an organization during a specific period. Calculating this metric annually helps organizations identify trends in retention, forecast hiring needs, and estimate the costs associated with replacing talent.
The Annual Attrition Formula
The standard formula for calculating the annual attrition rate is straightforward but requires accurate data regarding your headcount and separations.
Attrition Rate = (Total Separations / Average Number of Employees) × 100
Where:
- Total Separations: The number of employees who left the company during the year (voluntary and involuntary).
- Average Number of Employees: Calculated as: (Headcount at Start of Year + Headcount at End of Year) / 2.
Step-by-Step Calculation Example
Let's say you run a mid-sized tech company. Here is how you would calculate the rate for the fiscal year:
- Determine Starting Headcount: On January 1st, you had 200 employees.
- Determine Ending Headcount: On December 31st, you had 220 employees.
- Count Separations: Throughout the year, 30 people left the company.
- Calculate Average Headcount: (200 + 220) / 2 = 210.
- Calculate Rate: (30 / 210) × 100 = 14.28%.
Why Differentiate Between Start and End Counts?
Using only the headcount from the start or the end of the year can skew the data, especially if the company grew or shrank significantly. The average provides a normalized baseline representing the workforce size throughout the entire period. If a company started with 100 employees and ended with 200, but had 20 separations, calculating against the ending number (200) would show a 10% rate, while calculating against the start (100) would show 20%. The average (150) gives a more accurate 13.3% rate.
What is a "Good" Attrition Rate?
There is no single "good" number, as acceptable rates vary wildly by industry:
- Retail and Hospitality: Often see rates exceeding 50% or even 60%.
- Tech and Professional Services: Typically aim for 10% to 15%.
- Government and Education: Often have lower rates, sometimes under 10%.
Generally, a rate of 10% is considered healthy. It allows for the removal of poor performers and the introduction of fresh ideas without disrupting operations. Rates climbing above 20% in professional sectors often signal underlying issues with culture, compensation, or management.
Types of Attrition to Consider
While this calculator gives you the total attrition rate, HR leaders often break this down further:
- Voluntary Attrition: Employees leaving of their own accord (resignation).
- Involuntary Attrition: Employees terminated by the company.
- Regrettable Attrition: The loss of high-performing employees the company wanted to keep.
To reduce a high annual attrition rate, consider conducting exit interviews to understand why employees leave, reviewing your compensation packages against market rates, and investing in employee development and engagement programs.