Hour Hour Calculator

Hour and Minute Duration Calculator

Use this calculator to sum up multiple durations given in hours and minutes. It's perfect for tracking total work time, project hours, or any scenario where you need to combine several time periods.

function calculateTotalDuration() { var duration1Hours = parseFloat(document.getElementById("duration1Hours").value) || 0; var duration1Minutes = parseFloat(document.getElementById("duration1Minutes").value) || 0; var duration2Hours = parseFloat(document.getElementById("duration2Hours").value) || 0; var duration2Minutes = parseFloat(document.getElementById("duration2Minutes").value) || 0; var duration3Hours = parseFloat(document.getElementById("duration3Hours").value) || 0; var duration3Minutes = parseFloat(document.getElementById("duration3Minutes").value) || 0; // Convert all durations to total minutes var totalMinutesDuration1 = (duration1Hours * 60) + duration1Minutes; var totalMinutesDuration2 = (duration2Hours * 60) + duration2Minutes; var totalMinutesDuration3 = (duration3Hours * 60) + duration3Minutes; // Sum all total minutes var grandTotalMinutes = totalMinutesDuration1 + totalMinutesDuration2 + totalMinutesDuration3; // Calculate total hours in decimal format var grandTotalHoursDecimal = grandTotalMinutes / 60; // Calculate days, remaining hours, and remaining minutes var days = Math.floor(grandTotalMinutes / (24 * 60)); var remainingMinutesAfterDays = grandTotalMinutes % (24 * 60); var hours = Math.floor(remainingMinutesAfterDays / 60); var minutes = remainingMinutesAfterDays % 60; // Display results document.getElementById("totalHoursDecimal").textContent = grandTotalHoursDecimal.toFixed(2); document.getElementById("totalMinutes").textContent = grandTotalMinutes; document.getElementById("totalDaysHoursMinutes").textContent = days + " days, " + hours + " hours, " + minutes + " minutes"; } .calculator-container { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f9f9f9; padding: 25px; border-radius: 10px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); max-width: 600px; margin: 30px auto; border: 1px solid #e0e0e0; } .calculator-container h2 { color: #333; text-align: center; margin-bottom: 20px; font-size: 26px; } .calculator-container p { color: #555; margin-bottom: 15px; line-height: 1.6; } .calc-input-group { display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 15px; gap: 10px; } .calc-input-group label { flex: 1 1 150px; color: #333; font-weight: bold; font-size: 15px; } .calc-input-group input[type="number"] { flex: 2 1 180px; padding: 10px 12px; border: 1px solid #ccc; border-radius: 5px; font-size: 16px; color: #333; box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.08); -moz-appearance: textfield; /* Firefox */ } .calc-input-group input[type="number"]::-webkit-outer-spin-button, .calc-input-group input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; } .calculate-button { display: block; width: 100%; padding: 12px 20px; background-color: #007bff; color: white; border: none; border-radius: 5px; font-size: 18px; font-weight: bold; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; margin-top: 25px; } .calculate-button:hover { background-color: #0056b3; transform: translateY(-2px); } .calc-results { background-color: #eaf4ff; border: 1px solid #cce0ff; border-radius: 8px; padding: 20px; margin-top: 30px; } .calc-results h3 { color: #0056b3; margin-top: 0; margin-bottom: 15px; font-size: 22px; text-align: center; } .calc-results p { font-size: 16px; color: #333; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; } .calc-results p strong { color: #003d80; flex-basis: 70%; } .calc-results p span { color: #007bff; font-weight: bold; flex-basis: 30%; text-align: right; } @media (max-width: 480px) { .calc-input-group { flex-direction: column; align-items: stretch; } .calc-input-group label, .calc-input-group input { flex: none; width: 100%; } .calc-results p { flex-direction: column; align-items: flex-start; } .calc-results p span { text-align: left; margin-top: 5px; } }

Understanding the Hour and Minute Duration Calculator

This calculator is designed to simplify the process of adding up multiple time durations. Whether you're a freelancer tracking project hours, a student managing study time, or simply trying to figure out the total time spent on various activities, this tool provides a quick and accurate sum.

Why Use This Calculator?

• Time Management: Easily sum up hours spent on different tasks to get a clear picture of your time allocation.
• Project Tracking: Combine time entries from various team members or phases of a project.
• Shift Planning: Calculate total working hours across multiple shifts or days.
• Travel Planning: Add up segments of travel time to determine total journey duration.

How It Works:

The calculator takes up to three separate durations, each specified in hours and minutes. It then performs the following calculations:

1. Converts to Total Minutes: Each duration (hours and minutes) is first converted into a single value representing total minutes. For example, 1 hour and 30 minutes becomes 90 minutes.
2. Sums All Durations: All the individual total minute values are added together to get a grand total in minutes.
3. Converts to Various Formats: The grand total minutes are then converted and displayed in three useful formats:
   • Decimal Hours: This is the total time expressed as a decimal number of hours (e.g., 1.5 hours for 90 minutes). This format is often useful for billing or analytical purposes.
   • Total Minutes: The raw sum of all minutes, providing a precise count.
   • Days, Hours, Minutes: A more human-readable format that breaks down the total duration into full days, remaining hours, and remaining minutes.

Example Usage:

Let's say you worked on three different tasks today:

• Task 1: 2 hours and 45 minutes
• Task 2: 1 hour and 30 minutes
• Task 3: 0 hours and 50 minutes

You would input these values into the calculator:

• Duration 1 Hours: 2, Duration 1 Minutes: 45
• Duration 2 Hours: 1, Duration 2 Minutes: 30
• Duration 3 Hours: 0, Duration 3 Minutes: 50

Upon clicking "Calculate Total Duration", the results would be:

• Total Duration (Decimal Hours): 5.08 hours (approx.)
• Total Duration (Minutes): 305 minutes
• Total Duration (Days, Hours, Minutes): 0 days, 5 hours, 5 minutes

This shows that your total work time for the day was 5 hours and 5 minutes.