Clock in Clock Out Calculator

Clock In Clock Out Calculator

Day	Clock In	Clock Out	Break (Min)	Subtotal
Monday				0.00
Tuesday				0.00
Wednesday				0.00
Thursday				0.00
Friday				0.00

Total Weekly Hours: 0.00

function calculateTotalHours() { var grandTotalMinutes = 0; for (var i = 1; i <= 5; i++) { var inTime = document.getElementById('in' + i).value; var outTime = document.getElementById('out' + i).value; var breakMin = parseInt(document.getElementById('break' + i).value) || 0; var subDisplay = document.getElementById('sub' + i); if (inTime && outTime) { var inSplit = inTime.split(':'); var outSplit = outTime.split(':'); var inMins = (parseInt(inSplit[0]) * 60) + parseInt(inSplit[1]); var outMins = (parseInt(outSplit[0]) * 60) + parseInt(outSplit[1]); // Handle overnight shift if out time is before in time if (outMins < inMins) { outMins += 1440; // Add 24 hours } var diffMins = (outMins – inMins) – breakMin; if (diffMins < 0) diffMins = 0; var decimalHours = diffMins / 60; subDisplay.innerText = decimalHours.toFixed(2); grandTotalMinutes += diffMins; } else { subDisplay.innerText = "0.00"; } } var totalHours = (grandTotalMinutes / 60).toFixed(2); document.getElementById('grand-total').innerText = totalHours; }

How to Use the Clock In Clock Out Calculator

Tracking work hours manually can lead to errors in payroll and scheduling. This clock in clock out calculator simplifies the process of tracking daily and weekly work time. Here is how to get the most accurate results:

• Select Times: Use the 24-hour or AM/PM picker to input your exact "Clock In" and "Clock Out" times.
• Deduct Breaks: Enter the total number of minutes taken for lunch or rest breaks. The calculator automatically subtracts this from your total work duration.
• Overnight Shifts: If you start work at 10:00 PM and finish at 6:00 AM the next day, the calculator logic automatically handles the transition past midnight.
• Weekly Total: Click the "Calculate" button to sum all days for a grand total of decimal hours, which is the standard format for most payroll systems.

Example Calculation

If you clock in at 08:30 AM and clock out at 05:15 PM with a 45-minute lunch break:

1. Total span: 8 hours and 45 minutes (525 minutes)
2. Subtract break: 525 – 45 = 480 minutes
3. Decimal hours: 480 / 60 = 8.00 Hours

Why Decimal Hours Matter

Most HR software and accounting platforms use decimal hours rather than hours and minutes. For example, 7 hours and 30 minutes is represented as 7.50. This calculator provides the decimal output directly, making it easy to multiply your hours by your hourly pay rate to estimate your gross earnings.

Tips for Accurate Time Tracking

To ensure you are paid correctly, always record your times as they happen rather than relying on memory at the end of the week. Many employers have a "rounding" policy (such as rounding to the nearest 15 minutes); check your contract to see if you should input your exact punch time or the rounded time.