8-Hour Shift Calculator

Created by Nikita Klimovich
Reviewed by Dominik Czernia, PhD and Adena Benn
Last updated: Sep 20, 2023

The 8-hour shift calculator is a handy tool that can help employees and managers accurately track the length of a shift, including any breaks that may be taken. This can be beneficial for scheduling, timekeeping, and ensuring labor law compliance.

With this 8-hour shift schedule calculator, you can input the start time of your shift, along with the length of any breaks, and it will calculate when your shift is over. Read on to learn more about how many breaks in an 8-hour shift law requires or how long a break for an 8-hour shift should be.

If you need to count working days, use the day counter or calendar calculator. Both tools are excellent assistants!

How to use the 8-hours shift calculator

It's simple and easy to find when your shift is over with our 8-hour calculator:

  1. Begin by entering the start time of your shift. You can pick one time or type it manually, e.g., 7:00 AM.
  2. Decide how long a shift is. We set 8 hours by default.
  3. Specify the total break duration (that is not included in the shift). It doesn't matter how many breaks in an 8-hour shift you want to have; input the sum of all break times. Our simple addition calculator may help you to do that.
  4. Check the advanced mode of the 8-hour shift schedule calculator if you want to input the start and end of the break.

That's it! As you can see, the 8-hour calculator offers a range of customization options, allowing you to tailor it to your specific needs. For example, you can input different break times or adjust the length of the shift.

How many breaks are required by law in an 8-hour shift?

Law specifies the total length of the break rather than the number of breaks which depends on the following:

  • The state or country you live in;
  • How long a shift is; and
  • The type of work.

Check the official U.S. Department of Labor website to find out what the legal break for an 8-hour shift is in your state if you live in the USA. Usually, it's something between 20 minutes and 1 hour.

8-hour shift schedule calculator in practice

The 8-hour shift calculator is not only for employees and managers, but it's also a great tool for anyone who wants to manage their working hours more effectively. With this calculator, you can easily schedule your working hours and ensure you're getting the most out of your time on the job. Whether you're working a standard eight-hour shift or a longer one, the calculator can help you stay on top of your schedule and manage your time more efficiently.

For example, if you start an 8-hour shift at 7:00 AM and have 30 minutes of unpaid break, then the calculator will tell you to finish your work at 4:30 PM.

How long of a break for a 8 hour shift

The 8-hour shift calculator is also great for employees who are looking to take a break. This can be a great way to ensure you're taking the necessary time to stay refreshed and focused during your shift. As we mentioned above, the legal break for an 8-hour shift depends on a few factors, but the break length is equal to 30 minutes in most cases.

Our other tools may help you make your break as healthy as possible. The water intake calculator estimates how much water you should drink a day, and the coffee calculator assesses the amount of coffee you need. Be sure to explore these topics!


How do I calculate my shift hours?

To calculate your shift hours, note down the starting time of your shift. The second thing you need is the duration of your break if you take any.

  1. Start counting up to 8 hours from your starting time.
  2. Add the break duration.
  3. You have your shift hours.

Suppose you start work at 9 a.m. and take a 30-minute break. This means your shift ends at 5:30 p.m.

How many hours is an 8-hour shift?

An 8-hour shift is 8 hours long if you exclude the break. That means you work 40 hours for a full workweek.

If you take a break during your 8-hour shift, which you should do to remain fresh and focused during work, that also contributes to your shift ending time. Say you start at 8 a.m. and take an hour-long break, then your shift ends at 5 p.m.

What is an 8-hour shift starting at 8am?

An 8-hour shift that starts at 8 a.m. ends at 4 p.m., excluding the break. But if you take a break, then add that duration. If the break is 30 minutes, your shift ends at 4:30 p.m.; if it's an hour long, your shift is from 8 to 5.

How many 8-hour shifts is 40 hours?

Five 8-hour shifts make up 40 hours. The simplest way to calculate this is by dividing the total number of hours by the duration of the shift.

40 / 8 = 5

Nikita Klimovich
Shift start
Shift duration
Break duration
Shift end
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