Time Difference
Use start and end date-time fields to estimate elapsed time across the same day or multiple days.
Time Duration Calculator
Calculate the time between two date and time values, subtract breaks, and convert a custom duration into hours, days, weeks, minutes, and seconds.
Time Difference
Duration Conversion
Break Time
Subtract unpaid breaks or pause time from the elapsed duration to get a practical net total.
Unit Conversion
Convert a duration into total hours, minutes, days, weeks, and seconds for planning or timesheets.
Frequently Asked Questions
How do you calculate time duration?
Subtract the start time from the end time, then subtract any unpaid break time.
Can this calculator convert hours to days?
Yes. Enter a duration and the calculator will convert it into total seconds, minutes, hours, days, and weeks.