function calculateAbsenteeism() {
var employees = document.getElementById('avgEmployees').value;
var days = document.getElementById('workDays').value;
var absent = document.getElementById('totalAbsentDays').value;
var dailyCost = document.getElementById('avgDailyCost').value;
var resultDiv = document.getElementById('resultDisplay');
var errorDiv = document.getElementById('errorDisplay');
var costRow = document.getElementById('costResult');
// Reset
resultDiv.style.display = 'none';
errorDiv.innerText = ";
costRow.style.display = 'none';
// Parse values
var empVal = parseFloat(employees);
var daysVal = parseFloat(days);
var absentVal = parseFloat(absent);
var costVal = parseFloat(dailyCost);
// Validation
if (isNaN(empVal) || empVal <= 0) {
errorDiv.innerText = "Please enter a valid number of employees.";
return;
}
if (isNaN(daysVal) || daysVal <= 0) {
errorDiv.innerText = "Please enter a valid number of workdays.";
return;
}
if (isNaN(absentVal) || absentVal 0) {
var totalLoss = absentVal * costVal;
document.getElementById('resCost').innerText = "$" + totalLoss.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
costRow.style.display = 'flex';
}
resultDiv.style.display = 'block';
}
How to Calculate Absenteeism Rate in Excel
Calculating the absenteeism rate is a critical HR function for monitoring workforce productivity and health. While the calculator above provides an instant check, setting up a dynamic tracker in Microsoft Excel allows for long-term data analysis. This guide covers the standard formula and exactly how to implement it in your spreadsheets.
The Absenteeism Rate Formula
The standard ISO formula for absenteeism percentage is:
To calculate this effectively in Excel, you need three key data points. Follow this structure to build your sheet:
1. Set up your Data Cells
Create a summary area in your Excel sheet with the following labels and values:
Cell
Label
Example Value
A1
Average Employees
50
B1
Workdays in Period
22
C1
Total Days Absent
15
2. The Excel Formula
To calculate the rate in cell D1, input the following formula:
=(C1 / (A1 * B1))
After pressing Enter, ensure you format Cell D1 as a Percentage (Home Tab > Number Section > %). This will automatically multiply by 100 and add the % sign.
3. Calculating Total Cost (Optional)
If you want to track the financial impact, add the Average Daily Wage in cell E1. You can then calculate the loss in cell F1 using:
=C1 * E1
What is a "Good" Absenteeism Rate?
While benchmarks vary by industry, a generally healthy absenteeism rate falls between 1.5% and 4%.
Below 1.5%: Employees might be coming to work while sick (presenteeism), which can lead to burnout or spreading illness.
Above 4%: Indicates potential issues with morale, management, or workplace health that need addressing.
Using COUNTIFS for Automated Tracking
If you have a raw attendance log rather than summary numbers, you can use the COUNTIFS function to calculate "Total Days Absent" automatically.
Assuming Column A contains Dates and Column B contains Status (e.g., "Sick", "Unexcused"):
This formula sums up all instances of sick or unexcused absences, which you can then feed into the main rate formula.
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"@type": "Question",
"name": "How do you calculate absenteeism rate in Excel?",
"acceptedAnswer": {
"@type": "Answer",
"text": "To calculate the absenteeism rate in Excel, divide the Total Absent Days by the result of (Average Number of Employees multiplied by Workdays). Format the result cell as a percentage. The formula is =(Total_Absent_Days / (Total_Employees * Workdays))."
}
}, {
"@type": "Question",
"name": "What is the formula for percentage of absenteeism?",
"acceptedAnswer": {
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"text": "The formula is: (Total Absent Days / Total Scheduled Work Days) x 100. Total Scheduled Work Days is calculated by multiplying the number of employees by the number of workdays in the given period."
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"name": "How do you calculate monthly absenteeism rate?",
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"text": "Determine the number of workdays in the month (usually 20-22). Multiply this by your total number of employees to get Total Possible Man-Days. Sum up all unscheduled absences for the month. Divide the absences by the Total Possible Man-Days and multiply by 100."
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