body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
line-height: 1.6;
color: #333;
max-width: 800px;
margin: 0 auto;
padding: 20px;
}
.calculator-container {
background-color: #f8f9fa;
border: 1px solid #e9ecef;
border-radius: 8px;
padding: 30px;
margin-bottom: 40px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.form-group {
margin-bottom: 20px;
}
label {
display: block;
margin-bottom: 8px;
font-weight: 600;
color: #2c3e50;
}
input[type="number"] {
width: 100%;
padding: 12px;
border: 1px solid #ced4da;
border-radius: 4px;
font-size: 16px;
box-sizing: border-box;
}
input[type="number"]:focus {
border-color: #4dabf7;
outline: none;
box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.2);
}
.btn-calculate {
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color: white;
border: none;
padding: 14px 24px;
font-size: 16px;
font-weight: 600;
border-radius: 4px;
cursor: pointer;
width: 100%;
transition: background-color 0.2s;
}
.btn-calculate:hover {
background-color: #0056b3;
}
.result-box {
margin-top: 25px;
background-color: #ffffff;
border: 1px solid #dee2e6;
border-radius: 6px;
padding: 20px;
display: none;
}
.result-header {
font-size: 18px;
color: #495057;
margin-bottom: 10px;
border-bottom: 1px solid #eee;
padding-bottom: 10px;
}
.result-value {
font-size: 32px;
font-weight: 700;
color: #28a745;
margin-bottom: 5px;
}
.result-sub {
font-size: 14px;
color: #6c757d;
}
.content-section {
margin-top: 40px;
}
h2 {
color: #2c3e50;
margin-top: 30px;
border-bottom: 2px solid #eee;
padding-bottom: 10px;
}
h3 {
color: #34495e;
margin-top: 25px;
}
.formula-box {
background-color: #eef2f5;
padding: 15px;
border-left: 4px solid #007bff;
font-family: monospace;
margin: 20px 0;
}
.faq-item {
margin-bottom: 20px;
}
.faq-question {
font-weight: 700;
margin-bottom: 5px;
}
Calculate your employee turnover rate accurately using the standard mean headcount formula. This tool helps HR professionals and business owners track retention efficiency over a specific period.
function calculateMeanTurnover() {
// Get input values
var startCount = document.getElementById('startHeadcount').value;
var endCount = document.getElementById('endHeadcount').value;
var separations = document.getElementById('separations').value;
var resultBox = document.getElementById('resultBox');
var rateResult = document.getElementById('rateResult');
var meanHeadcountResult = document.getElementById('meanHeadcountResult');
var interpretation = document.getElementById('interpretation');
// Validation
if (startCount === "" || endCount === "" || separations === "") {
alert("Please fill in all fields to calculate the turnover rate.");
return;
}
var start = parseFloat(startCount);
var end = parseFloat(endCount);
var sep = parseFloat(separations);
if (start < 0 || end < 0 || sep 20) {
interpretation.innerHTML = "This turnover rate is relatively high compared to general industry averages.";
} else if (rate > 10) {
interpretation.innerHTML = "This turnover rate is moderate.";
} else {
interpretation.innerHTML = "This is a healthy, low turnover rate indicating good retention.";
}
}
What is Mean Turnover Rate?
Mean Turnover Rate is a critical Human Resources metric that measures the percentage of employees who leave an organization during a specific time period. The term "mean" specifically refers to the use of the average headcount (mean number of employees) in the denominator of the calculation, rather than just using the headcount at the beginning or end of the period.
Using the mean headcount provides a more accurate representation of the workforce size during the period, especially for growing or shrinking companies where the staff count fluctuates significantly.
How to Calculate Mean Turnover Rate
To calculate the rate manually, you need three data points: the number of employees at the start of the period, the number of employees at the end of the period, and the total number of separations (people who left) during that period.
Step 1: Calculate Mean Headcount
Mean Headcount = (Beginning Headcount + Ending Headcount) / 2
Step 2: Calculate Turnover Rate
Turnover Rate = (Number of Separations / Mean Headcount) × 100
Example Calculation
Imagine a company starts the year with 150 employees. Over the year, they hire actively, ending the year with 170 employees. During that same year, 16 employees left the company.
- Beginning Headcount: 150
- Ending Headcount: 170
- Separations: 16
First, find the mean headcount: (150 + 170) / 2 = 160.
Next, divide separations by the mean: 16 / 160 = 0.10.
Finally, multiply by 100 to get the percentage: 10% Turnover Rate.
Why This Metric Matters
Tracking your mean turnover rate is essential for several reasons:
- Cost Management: Replacing an employee can cost 1.5x to 2x their annual salary. High turnover drains resources.
- Cultural Health: A high rate often indicates underlying issues with management, compensation, or company culture.
- Productivity: Frequent departures disrupt workflow and lower the morale of remaining team members.
Frequently Asked Questions
Does "separations" include voluntary and involuntary turnover?
Yes, typically the general turnover rate includes all separations—resignations, layoffs, terminations, and retirements. However, you can calculate specific rates (e.g., Voluntary Turnover Rate) by only counting those specific types of separations in the numerator.
What is a "good" turnover rate?
This varies widely by industry. Retail and hospitality often see rates above 50%, while professional services or tech might target rates below 10-15%. A rate of 10% is generally considered healthy across all industries.
Should I calculate this monthly or annually?
Both are valuable. Annual turnover gives a big-picture view of retention strategies, while monthly turnover helps identify immediate trends or seasonal issues. If calculating monthly, ensure you annualize the rate if you want to compare it to yearly benchmarks.