Calculate Hours Worked With Ease
Quickly find the duration between two times. Perfect for timesheets, project billing, and tracking your work hours accurately.
Calculate HoursHours Calculator
Enter a start and end time to instantly calculate the total duration.
Calculate Time Duration
Why Use Our Hours Calculator?
A simple, powerful tool designed for accuracy and ease of use.
Fast & Accurate
Get precise time durations in hours and minutes instantly, without manual calculations.
Overnight Shifts
Our calculator intelligently handles overnight work shifts that cross midnight.
Completely Private
All calculations are done in your browser. No data is ever sent to our servers.
How It Works
Find the duration between two times in three simple steps.
Enter Start Time
Use the time picker to select the start time of your task, shift, or event.
Enter End Time
Select the end time. The tool defaults to common work hours for your convenience.
Get Duration
Click "Calculate" to see the total duration in hours and minutes.
The Importance of Accurate Time Tracking
Learn why calculating hours is essential for productivity, billing, and business management.
Why Calculate Hours Accurately?
In a world where "time is money," accurately calculating hours is a critical skill for professionals and a useful tool for personal productivity. Whether you're billing clients, managing a team, or simply trying to understand how you spend your day, a reliable hours calculator eliminates guesswork and provides valuable insights.
For Freelancers and Businesses
- Accurate Billing: Ensure you are charging clients the correct amount for your time. Under-billing leads to lost revenue, while over-billing can damage client relationships.
- Project Costing: Understand the true time-cost of projects to create better quotes and improve profitability on future work.
- Payroll Management: Simplify the process of calculating employee wages based on hourly rates, especially for shifts with varied start and end times.
- Productivity Analysis: Identify how much time is spent on specific tasks, helping to streamline workflows and reduce time wastage.
For Personal Use
- Time Management: Track how much time you dedicate to studying, hobbies, exercise, or personal projects to better manage your schedule.
- Shift Work: Easily calculate the length of your work shifts, especially those that are irregular or go past midnight.
- Event Planning: Determine the duration of events or activities to create a clear and manageable schedule.
Handling Overnight Durations
One of the most common challenges in time calculation is dealing with periods that cross midnight (e.g., a shift from 10:00 PM to 6:00 AM). A simple subtraction would produce a negative or incorrect result. Our Hours Calculator is designed to automatically detect this scenario. When the end time is earlier than the start time, it correctly assumes the period spans across two days and provides the accurate duration.
Frequently Asked Questions
Find answers to common questions about our Hours Calculator.
Simply select a start time and an end time using the time pickers, then click the "Calculate Duration" button. The total time in hours and minutes will be displayed instantly.
Yes. If you enter a start time of 10:00 PM and an end time of 6:00 AM, the calculator will correctly interpret this as an overnight period and calculate the duration as 8 hours.
Absolutely. All time selections and calculations happen directly in your web browser. No information is ever sent to or stored on our servers, ensuring your privacy.
This tool is designed for calculating the duration between two times within a single 24-hour cycle (or an overnight period). For durations spanning multiple days, you would need a date and time calculator.
Stop Guessing. Start Calculating.
Get accurate time calculations for your work, projects, or personal life. It's fast, free, and secure.
Calculate Hours Now