Shift Hours Calculator
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f4f7f6;
color: #333;
line-height: 1.6;
margin: 0;
padding: 20px;
display: flex;
flex-direction: column;
align-items: center;
}
.loan-calc-container {
background-color: #ffffff;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
padding: 30px;
max-width: 600px;
width: 100%;
margin-bottom: 30px;
}
h1, h2 {
color: #004a99;
text-align: center;
margin-bottom: 20px;
}
.input-group {
margin-bottom: 20px;
display: flex;
flex-direction: column;
align-items: flex-start;
}
.input-group label {
font-weight: bold;
margin-bottom: 8px;
color: #004a99;
}
.input-group input[type="time"],
.input-group input[type="date"],
.input-group input[type="number"] {
width: calc(100% – 20px);
padding: 12px 10px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 16px;
box-sizing: border-box;
transition: border-color 0.3s ease;
}
.input-group input:focus {
border-color: #004a99;
outline: none;
}
.input-group select {
width: 100%;
padding: 12px 10px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 16px;
box-sizing: border-box;
transition: border-color 0.3s ease;
background-color: white;
}
.input-group select:focus {
border-color: #004a99;
outline: none;
}
button {
background-color: #004a99;
color: white;
border: none;
padding: 15px 25px;
border-radius: 5px;
font-size: 18px;
cursor: pointer;
width: 100%;
box-sizing: border-box;
transition: background-color 0.3s ease;
font-weight: bold;
}
button:hover {
background-color: #003366;
}
#result {
background-color: #e7f3ff;
border: 1px solid #004a99;
border-radius: 8px;
padding: 20px;
text-align: center;
margin-top: 25px;
font-size: 24px;
font-weight: bold;
color: #004a99;
min-height: 50px;
display: flex;
justify-content: center;
align-items: center;
}
.article-content {
max-width: 800px;
width: 100%;
background-color: #ffffff;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
padding: 30px;
margin-top: 30px;
text-align: justify;
}
.article-content h2 {
text-align: left;
color: #004a99;
margin-bottom: 15px;
}
.article-content p {
margin-bottom: 15px;
color: #555;
}
.article-content ul {
margin-left: 20px;
margin-bottom: 15px;
}
.article-content li {
margin-bottom: 8px;
color: #555;
}
.article-content code {
background-color: #e7f3ff;
padding: 3px 6px;
border-radius: 3px;
font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
}
@media (max-width: 600px) {
.loan-calc-container, .article-content {
padding: 20px;
}
h1 {
font-size: 28px;
}
button {
font-size: 16px;
padding: 12px 20px;
}
#result {
font-size: 20px;
}
}
Shift Hours Calculator
Shift Type
Standard Shift (e.g., 8 hours)
Custom Hours
Start Time
End Time
Break Duration (minutes)
Hours per Day (for Standard Shift)
Number of Days Worked
Calculate Total Hours
Understanding Your Shift Hours
Accurately tracking work hours is crucial for employees and employers alike. It ensures fair compensation, helps in workforce management, and aids in compliance with labor laws. This Shift Hours Calculator is designed to simplify the process of calculating total hours worked based on different shift types and durations.
How it Works:
The calculator operates based on two primary modes: 'Standard Shift' and 'Custom Hours'.
Standard Shift: When you select 'Standard Shift', you define the typical number of hours worked per day (e.g., 8 hours) and the total number of days you worked. The calculator then multiplies these two values to give you the total hours.
Formula: Total Hours = Hours per Day × Number of Days Worked
Custom Hours: For shifts that don't follow a fixed daily schedule, the 'Custom Hours' option allows you to input the exact start time and end time for each shift. It also accounts for any unpaid break durations taken during the shift.
Formula:
Calculate the duration between End Time and Start Time.
Subtract the Break Duration (in minutes, converted to hours) from the total shift duration.
Multiply the net hours per shift by the Number of Days Worked.
Example Calculation for Custom Shift:
If a shift starts at 9:00 AM, ends at 5:30 PM, with a 30-minute break, over 5 days:
Shift Duration = 5:30 PM – 9:00 AM = 8 hours 30 minutes
Net Hours per Shift = 8 hours 30 minutes – 30 minutes = 8 hours
Total Hours = 8 hours/day × 5 days = 40 hours
Use Cases:
Employees: To verify pay stubs, track overtime, and ensure accurate payment for hours worked.Freelancers: To bill clients accurately based on time spent on projects.Small Businesses: To manage payroll efficiently and maintain records.Shift Workers: To keep track of complex schedules, including varying start/end times and mandatory breaks.
By providing clear and accurate calculations, this tool helps streamline time management and financial tracking for anyone involved in shift work.
function calculateShiftHours() {
var shiftType = document.getElementById("shiftType").value;
var totalHours = 0;
var resultDiv = document.getElementById("result");
resultDiv.textContent = "; // Clear previous results
if (shiftType === "standard") {
var hoursPerDay = parseFloat(document.getElementById("hoursPerDay").value);
var daysWorked = parseFloat(document.getElementById("daysWorked").value);
if (isNaN(hoursPerDay) || hoursPerDay <= 0) {
resultDiv.textContent = "Please enter a valid number of hours per day.";
return;
}
if (isNaN(daysWorked) || daysWorked <= 0) {
resultDiv.textContent = "Please enter a valid number of days worked.";
return;
}
totalHours = hoursPerDay * daysWorked;
} else if (shiftType === "custom") {
var startTimeInput = document.getElementById("startTime");
var endTimeInput = document.getElementById("endTime");
var breakDurationInput = document.getElementById("breakDuration");
var daysWorked = parseFloat(document.getElementById("daysWorked").value);
var startTimeStr = startTimeInput.value;
var endTimeStr = endTimeInput.value;
var breakDurationMinutes = parseFloat(breakDurationInput.value);
if (!startTimeStr || !endTimeStr) {
resultDiv.textContent = "Please select both start and end times for custom shifts.";
return;
}
if (isNaN(daysWorked) || daysWorked <= 0) {
resultDiv.textContent = "Please enter a valid number of days worked.";
return;
}
if (isNaN(breakDurationMinutes) || breakDurationMinutes = startTotalMinutes) {
shiftDurationMinutes = endTotalMinutes – startTotalMinutes;
} else {
// Handle shifts that cross midnight (e.g., 10 PM to 6 AM)
shiftDurationMinutes = (24 * 60 – startTotalMinutes) + endTotalMinutes;
}
var netShiftMinutes = shiftDurationMinutes – breakDurationMinutes;
if (netShiftMinutes < 0) {
resultDiv.textContent = "Break duration cannot exceed shift duration.";
return;
}
var netShiftHours = netShiftMinutes / 60;
totalHours = netShiftHours * daysWorked;
}
if (!isNaN(totalHours)) {
var formattedHours = totalHours.toFixed(2);
resultDiv.textContent = `Total Hours Worked: ${formattedHours} hours`;
} else {
resultDiv.textContent = "An error occurred during calculation.";
}
}
document.getElementById("shiftType").addEventListener("change", function() {
var customHoursGroup = document.getElementById("customHoursGroup");
var standardHoursGroup = document.getElementById("standardHoursGroup");
if (this.value === "custom") {
customHoursGroup.style.display = "block";
standardHoursGroup.style.display = "none"; // Hide standard if custom is chosen
} else {
customHoursGroup.style.display = "none";
standardHoursGroup.style.display = "block"; // Ensure standard is visible if standard is chosen
}
});
// Initial setup on load
document.addEventListener("DOMContentLoaded", function() {
var customHoursGroup = document.getElementById("customHoursGroup");
if (document.getElementById("shiftType").value === "custom") {
customHoursGroup.style.display = "block";
} else {
customHoursGroup.style.display = "none";
}
});