Hourly Calculator

Professional Hourly Pay Calculator

Results Summary

Total Time Worked:

Gross Pay:

function calculateHourlyPay() { var rate = parseFloat(document.getElementById('hourlyRate').value); var breakMin = parseFloat(document.getElementById('breakDuration').value) || 0; var startVal = document.getElementById('startTime').value; var endVal = document.getElementById('endTime').value; if (!rate || !startVal || !endVal) { alert("Please fill in the hourly rate, start time, and end time."); return; } var start = new Date("2000-01-01T" + startVal + ":00"); var end = new Date("2000-01-01T" + endVal + ":00"); // Handle overnight shifts if (end < start) { end.setDate(end.getDate() + 1); } var diffMs = end – start; var totalMinutes = (diffMs / 1000 / 60) – breakMin; if (totalMinutes < 0) { alert("Break time cannot be longer than the shift duration."); return; } var hours = Math.floor(totalMinutes / 60); var minutes = Math.floor(totalMinutes % 60); var decimalHours = totalMinutes / 60; var totalPay = decimalHours * rate; document.getElementById('totalHoursOutput').innerText = hours + " Hours, " + minutes + " Minutes (" + decimalHours.toFixed(2) + " decimal hours)"; document.getElementById('grossPayOutput').innerText = "$" + totalPay.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resultsArea').style.display = 'block'; }

How to Use the Hourly Calculator

Whether you are a freelancer tracking client billable hours or an employee double-checking your paycheck, understanding exactly how much you earn based on your time is essential. This hourly calculator simplifies the process of converting your work schedule into a dollar amount.

The Calculation Process

To determine your gross earnings, the tool follows a precise mathematical formula:

  1. Time Conversion: It calculates the difference between your start and end times to find the total duration.
  2. Deductions: Any unpaid break time (entered in minutes) is subtracted from the total duration.
  3. Decimal Conversion: Because hours and minutes are based on 60, we convert the result to a decimal format (e.g., 8 hours and 30 minutes becomes 8.5 hours).
  4. Multiplication: The decimal hours are multiplied by your hourly pay rate.

Example Scenario

Suppose you work a shift with the following details:

  • Start Time: 08:30 AM
  • End Time: 05:00 PM
  • Hourly Rate: $22.50
  • Break: 45 minutes

Step 1: Total duration between 8:30 AM and 5:00 PM is 8 hours and 30 minutes (510 minutes).
Step 2: Subtract the 45-minute break: 510 – 45 = 465 minutes.
Step 3: Convert to decimal hours: 465 / 60 = 7.75 hours.
Step 4: Calculate pay: 7.75 hours × $22.50 = $174.38.

Why Track Your Hours?

Tracking your time isn't just about getting paid; it's about productivity management. For independent contractors, this data is vital for invoicing. For hourly employees, it ensures compliance with labor laws and helps identify if overtime pay might be applicable if hours exceed standard weekly limits (usually 40 hours in the US).

Pro Tip: Always record your exact clock-in and clock-out times. Rounding to the nearest 15 minutes is common in some industries, but digital tools like this allow for precise per-minute calculation.

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