Time Duration / Work Hours Calculator

Enter the start and end date/time for each shift or session. The tool calculates the exact duration for each row and adds them all together into a total — shown both as hours & minutes and as decimal hours.

Decimal hours (e.g. 7.5 instead of 7h 30m) are the format most payroll systems and hourly-rate calculations use, since they're easier to multiply directly by an hourly rate.

Yes — enter your total unpaid break minutes and it will be subtracted from the combined total before showing your final worked hours.

Yes. Since each session uses a full date and time (not just a clock time), a shift that starts at 10 PM and ends at 6 AM the next day is calculated correctly.

Yes — click 'Add another session' to add as many clock-in/clock-out pairs as you need, and they'll all be summed into one total.