Calculate My Hours

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Calculate My Hours Worked

Enter your start and end times to calculate your weekly timesheet.

Day
Start Time
End Time
Break (Min)
Daily Total
Monday
0.00
Tuesday
0.00
Wednesday
0.00
Thursday
0.00
Friday
0.00
Saturday
0.00
Sunday
0.00
Total Hours (Decimal): 0.00
Total Time (HH:MM): 00:00
Estimated Gross Pay: $0.00

How to Calculate Your Work Hours

Keeping track of your working hours is essential for ensuring you are paid correctly and managing your work-life balance. Whether you are a freelancer, an hourly employee, or a contractor, using an automated calculator prevents common math errors that occur when manually calculating minutes.

Step-by-Step Instructions

  • Input Start and End Times: Enter the exact time you clocked in and the time you clocked out for each day.
  • Deduct Breaks: Enter the total duration of your unpaid breaks in minutes (e.g., a 30-minute lunch).
  • Review Daily Totals: The calculator will automatically determine the hours for each specific day.
  • Calculate Weekly Total: Press the calculate button to see your total hours in both decimal format (useful for payroll) and hours/minutes format.

Converting Minutes to Decimal Hours

Payroll systems usually require hours in decimal form. To convert minutes to decimals manually, you divide the number of minutes by 60. For example:

  • 15 minutes = 15/60 = 0.25 hours
  • 30 minutes = 30/60 = 0.50 hours
  • 45 minutes = 45/60 = 0.75 hours

Example Calculation

If you start work at 8:30 AM and finish at 5:00 PM with a 45-minute unpaid lunch break:

  1. Total time span: 8 hours and 30 minutes (8.5 hours).
  2. Subtract break: 8.5 hours – 0.75 hours (45 mins) = 7.75 hours.
  3. Total work for the day: 7.75 decimal hours (or 7 hours and 45 minutes).

Calculating Gross Pay

Once you have your total decimal hours, multiply that number by your hourly wage. If you worked 38.5 hours at a rate of $25 per hour, your gross pay would be $962.50. This tool helps you estimate that amount before taxes and other deductions.

function calculateWorkHours() { var totalMinutes = 0; var hourlyRate = parseFloat(document.getElementById('hourly_rate').value) || 0; for (var i = 1; i <= 7; i++) { var startVal = document.getElementById('start_' + i).value; var endVal = document.getElementById('end_' + i).value; var breakVal = parseInt(document.getElementById('break_' + i).value) || 0; if (startVal && endVal) { var startParts = startVal.split(':'); var endParts = endVal.split(':'); var startTotalMins = (parseInt(startParts[0]) * 60) + parseInt(startParts[1]); var endTotalMins = (parseInt(endParts[0]) * 60) + parseInt(endParts[1]); // Handle overnight shifts if (endTotalMins < startTotalMins) { endTotalMins += 1440; // Add 24 hours in minutes } var dailyDiff = endTotalMins – startTotalMins – breakVal; if (dailyDiff < 0) dailyDiff = 0; totalMinutes += dailyDiff; // Update individual day total var dailyDecimal = (dailyDiff / 60).toFixed(2); document.getElementById('day_total_' + i).innerText = dailyDecimal; } else { document.getElementById('day_total_' + i).innerText = "0.00"; } } // Final Calculations var finalDecimal = totalMinutes / 60; var finalHours = Math.floor(totalMinutes / 60); var finalMins = totalMinutes % 60; var formattedHH = finalHours < 10 ? "0" + finalHours : finalHours; var formattedMM = finalMins 0) { var grossPay = finalDecimal * hourlyRate; document.getElementById('gross_pay').innerText = "$" + grossPay.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); } else { document.getElementById('gross_pay').innerText = "$0.00"; } }

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