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Work hours calculator

Enter when you started and finished, then subtract any unpaid break. You’ll get the exact hours worked and a decimal total for time cards or payroll.

Total hours worked8h 00m8.00 decimal hours
9:00 AM → 5:30 PM − 30m break

How it works

We find the elapsed time between your start and end, then subtract the unpaid break. If the end time is earlier than the start time, the calculator treats it as an overnight shift.

End time − start time − unpaid break = hours worked

Decimal hours

Payroll systems often use decimal hours. Minutes are divided by 60, so 7 hours 30 minutes becomes 7.50 hours and 7 hours 45 minutes becomes 7.75 hours.

Always follow your employer’s time-rounding and break policies when submitting a time card.