How to use the clock out time calculator
- Enter your clock in time using the time box.
- Enter the hours to work as paid hours. Use decimals, so 7.5 means 7 hours 30 minutes.
- Enter your unpaid break in minutes, adding all breaks together.
- Read your clock out time in 12-hour and 24-hour form. If part of the shift is done, enter the hours already worked.
Formula
Time at work = hours to work + unpaid break
Clock out time = clock in time + time at work
If the result passes midnight, the tool adds +1 day and shows the time on the next day
Hours still to work = hours to work - hours already worked
Hours are converted to whole minutes before adding, so 7.5 hours is 450 minutes.
8:30 am for 8 hours with a 30 minute lunch
Starting at 8:30 AM, 8 hours of paid work plus a 30 minute unpaid lunch means 8 hours 30 minutes at work, so you clock out at 5:00 PM, which is 17:00 in 24-hour time.
Starting at 9:00 AM for 7.5 hours with no break gives 4:30 PM. A shift that starts at 8:00 PM with the same 8 hours and 30 minute break ends at 4:30 AM the next day, shown as +1 day. If you have worked 3 hours of an 8 hour shift, 5 hours of paid work remain.
Paid hours versus time at work
The time between clocking in and clocking out is longer than your paid hours whenever a break is unpaid. This tool adds the break after the paid hours, so you can enter the hours you are paid for and still find the right leaving time.
If a break is paid, leave it out of the break box. Only unpaid breaks lengthen the day.
Things the tool does not know
Time clocks and employers may round clock times, and policies differ on how breaks and meal periods are handled. The tool adds numbers to your start time and cannot see those rules. It also does not adjust for a daylight saving change that falls during a night shift, which can make the clock time an hour different from the arithmetic.
To total several shifts use the hours calculator or the time card calculator. If your clock rounds, see the time clock rounding calculator, and to convert minutes to decimals use the decimal hours calculator.
Assumptions and limits
- Hours to work are paid hours, and the break is the total of all unpaid breaks.
- The shift runs without interruption from clock in to clock out.
- Clock times are not rounded, and no daylight saving change is applied.
- A result after midnight is labeled +1 day.
Frequently asked questions
How do I figure out what time I clock out?
Add your paid hours and your unpaid break to the clock in time. Starting at 8:30 AM with 8 hours and a 30 minute break gives 5:00 PM.
What does +1 day mean?
The shift ends after midnight, on the next calendar day. A start of 8:00 PM with 8 hours and a 30 minute break ends at 4:30 AM the next day.
Should the break be counted in the hours to work?
No. Enter only paid hours in that box and unpaid break minutes separately, so the break stretches the day without adding paid time.
Can I find my leaving time if I have already worked part of the shift?
Yes. Enter the hours already worked and the tool shows how much paid time remains, while the clock out time is still based on your start time.