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In any business, whether you're an employee or self-employed, you need to have a clear idea of how long you'll be working. "Time is money": many services offered by working people are priced by the hour, for every employee as for every entrepreneur. As you can see, calculating work hours is not just a matter of clocking in and out, managing overtime, and filling out a timesheet: it's the thermometer of any business. Precise measurement of hours worked not only ensures that every wage is accounted for, it also optimizes productivity, enhances corporate well-being, and even boosts competitiveness in the marketplace.

Fill in the fields again to add another task.


Accurately calculating work hours is of great importance first and foremost in terms of resource management. By knowing exactly how much time is spent on different tasks, a company can better allocate its human and financial resources. The same goes for contractors: better time management means a better calculated bill. Fairer remuneration can improve team morale and a company's work ethic. By eliminating unnecessary tasks and focusing on what's really necessary, employees and managers can optimize business operations. Using the calculator makes it easier to estimate costs and deadlines for future projects. This clarity can also help maintain a healthy work-life balance: a key point for better long-term productivity!

📋 Task nameTitle of the task to be performed
🕐 Start timeTime the task is started
🕑 End timeTime the task is completed
⏱ Break time (in minutes)Total duration of breaks taken during the task
📅 Total work hoursThe cumulative work time for all tasks, excluding breaks, calculated automatically after input


Use our tool to fill in the data, find out how much time you've worked, and add other tasks to add up the time you've worked:

  • Enter the task name
  • Add the start and end times
  • Fill in the break time in minutes during this time slot
  • Repeat to add one or more new tasks

calculator method


To be able to offer good, effective work on a daily basis and to find fulfillment in your tasks, you certainly need to find the activity that suits you, but you also need to follow some steps and tips to support you positively in your missions, whether they involve sales, marketing, tax management, or other areas of business. Well-being at work and time management are the keys to success!

  • Plan your day: start each day with a well-defined list of tasks. Good planning enables you to prioritize your tasks and focus on what really matters.
  • Take regular breaks: divide your working time into intervals, usually of 25 minutes, separated by short breaks. This helps you maintain a high level of concentration and reduce mental fatigue.
  • Eliminate distractions: put your phone on silent mode, close unnecessary browser tabs, and create a work environment that encourages concentration.
  • Automate as many repetitive tasks as possible: use tools and software that can automate repetitive tasks to devote more time to activities that require deeper thought.
  • Develop a routine: having a daily routine can help you get into "work mode" more quickly, conditioning you for the day ahead.


How do you calculate your work hours?

To calculate your work hours, write down the start and end times for each day, then add them up. Once you've noted the hours, add them up to get the daily total. Don't forget to include breaks and rest periods for an accurate measurement. Use our free tool to quickly calculate your working hours.

Why calculate your work hours?

This enables you to manage your time efficiently, assess your productivity, and ensure that you meet your legal obligations. Calculating your work hours also helps you to balance your professional and personal life, identify periods of overload, and adjust priorities on a daily basis.

What’s a good optimization of work hours?

There's no magic formula: some people are more productive in the morning, others in the evening, some over several consecutive hours, others over periods interspersed with breaks... Adapting your schedule to these peaks in productivity can make all the difference. So adaptability is an asset: knowing how to adapt and readjust your schedule according to needs is a valuable skill for optimizing your working time.

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