.vacation-calculator-container {
max-width: 800px;
margin: 0 auto;
padding: 20px;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
background: #f9f9f9;
border: 1px solid #e0e0e0;
border-radius: 8px;
}
.vacation-calc-header {
text-align: center;
margin-bottom: 25px;
}
.vacation-calc-header h2 {
color: #2c3e50;
margin: 0;
font-size: 24px;
}
.vacation-form-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
}
@media (max-width: 600px) {
.vacation-form-grid {
grid-template-columns: 1fr;
}
}
.input-group {
margin-bottom: 15px;
}
.input-group label {
display: block;
margin-bottom: 5px;
font-weight: 600;
color: #555;
}
.input-group input, .input-group select {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 16px;
box-sizing: border-box;
}
.btn-calculate {
background-color: #27ae60;
color: white;
border: none;
padding: 12px 24px;
font-size: 18px;
border-radius: 4px;
cursor: pointer;
width: 100%;
margin-top: 10px;
transition: background-color 0.3s;
}
.btn-calculate:hover {
background-color: #219150;
}
.calc-results {
margin-top: 25px;
background: #fff;
padding: 20px;
border-radius: 6px;
border: 1px solid #ddd;
display: none;
}
.result-row {
display: flex;
justify-content: space-between;
padding: 10px 0;
border-bottom: 1px solid #eee;
}
.result-row:last-child {
border-bottom: none;
}
.result-label {
color: #7f8c8d;
}
.result-value {
font-weight: bold;
color: #2c3e50;
}
.highlight-result {
background-color: #e8f5e9;
padding: 15px;
border-radius: 4px;
margin-bottom: 10px;
text-align: center;
}
.highlight-result .result-value {
font-size: 28px;
color: #27ae60;
}
.highlight-result .result-label {
font-size: 14px;
text-transform: uppercase;
letter-spacing: 1px;
}
.article-section {
margin-top: 40px;
line-height: 1.6;
color: #333;
}
.article-section h3 {
color: #2c3e50;
border-bottom: 2px solid #27ae60;
padding-bottom: 10px;
margin-top: 30px;
}
.article-section p {
margin-bottom: 15px;
}
.article-section ul {
margin-bottom: 20px;
padding-left: 20px;
}
.article-section li {
margin-bottom: 8px;
}
.formula-box {
background: #eee;
padding: 15px;
border-left: 4px solid #27ae60;
font-family: monospace;
margin: 20px 0;
}
function calculateVacationAccrual() {
// Get Input Values
var annualDays = parseFloat(document.getElementById('annualDays').value);
var hoursPerDay = parseFloat(document.getElementById('hoursPerDay').value);
var hoursPerWeek = parseFloat(document.getElementById('hoursPerWeek').value);
var payFrequency = parseInt(document.getElementById('payFrequency').value);
// Validation
if (isNaN(annualDays) || isNaN(hoursPerDay) || isNaN(hoursPerWeek) || annualDays < 0 || hoursPerDay <= 0 || hoursPerWeek <= 0) {
alert("Please enter valid positive numbers for days and hours.");
return;
}
// Core Calculation Logic
var totalAnnualVacationHours = annualDays * hoursPerDay;
// Calculate Total Work Weeks per Year (Standard is 52)
var weeksPerYear = 52;
var totalAnnualWorkHours = hoursPerWeek * weeksPerYear;
// Rate Calculations
var accrualPerHour = totalAnnualVacationHours / totalAnnualWorkHours;
// Pay Period Calculation
// Pay Frequency values: 52 (Weekly), 26 (Bi-Weekly), 24 (Semi-Monthly), 12 (Monthly)
var accrualPerPayPeriod = totalAnnualVacationHours / payFrequency;
// Display Results
document.getElementById('resultsArea').style.display = 'block';
// Update DOM elements
document.getElementById('resAccrualPerHour').innerHTML = accrualPerHour.toFixed(4) + " hours";
document.getElementById('resAccrualPerPeriod').innerHTML = accrualPerPayPeriod.toFixed(2) + " hours";
document.getElementById('resTotalAnnualHours').innerHTML = totalAnnualVacationHours.toFixed(1) + " hours";
document.getElementById('resTotalWorkHours').innerHTML = totalAnnualWorkHours.toLocaleString() + " hours";
// Dynamic Label Update based on selection
var freqText = "";
if (payFrequency === 52) freqText = "Weekly";
else if (payFrequency === 26) freqText = "Bi-Weekly";
else if (payFrequency === 24) freqText = "Semi-Monthly";
else if (payFrequency === 12) freqText = "Monthly";
document.getElementById('periodLabel').innerHTML = "Accrual Per " + freqText + " Paycheck";
}
How to Calculate Accrual Rate for Vacation
Calculating your vacation accrual rate is essential for understanding how quickly you earn Paid Time Off (PTO) based on the hours you work. This is particularly important for hourly employees or those tracking PTO balances for accounting purposes.
The accrual rate represents the amount of vacation time earned for every unit of time worked (usually per hour or per pay period). To find this number, you must first convert your annual vacation allowance into hours.
The Accrual Rate Formula
There are two common ways to calculate accrual rates: by the hour or by the pay period.
1. Hourly Accrual Rate
This is the most precise method, often used for hourly employees. It determines how fraction of a vacation hour is earned for every single hour worked.
Hourly Rate = (Total Annual Vacation Hours) / (Total Annual Work Hours)
Example: If you get 10 days of vacation (80 hours) and work 40 hours a week (2,080 hours per year):
80 / 2,080 = 0.03846 hours earned per hour worked.
2. Periodic Accrual Rate
This method calculates how many hours are added to your "bank" every time you receive a paycheck.
Period Rate = (Total Annual Vacation Hours) / (Number of Pay Periods)
Example: If you get 80 hours of vacation and are paid bi-weekly (26 times a year):
80 / 26 = 3.07 hours earned per paycheck.
Common Pay Frequencies
When calculating your accrual per paycheck, ensure you use the correct number of pay periods per year:
- Weekly: 52 periods
- Bi-Weekly: 26 periods (Every two weeks)
- Semi-Monthly: 24 periods (Twice a month, e.g., 15th and 30th)
- Monthly: 12 periods
Why is my accrual rate a decimal?
It is very common for the hourly accrual multiplier to be a long decimal (e.g., 0.03846). Payroll systems usually calculate this out to 4 or 5 decimal places to ensure that at the end of the year, the total equals exactly the number of days promised in your contract. When tracking this manually, simply multiply your total hours worked to date by this decimal to see your current available balance.