Time Duration Converter
Convert hours, minutes, seconds, days, weeks, and milliseconds.
● Processed locally in your browser unless the page says otherwise.
How time duration conversion works
This converter changes durations between milliseconds, seconds, minutes, hours, days, and weeks. It is useful for video editing, work-hour tracking, exercise logs, programming delays, download estimates, and scheduling.
A duration is different from a calendar date or a time zone. It describes how much time passes, not where that time appears on a clock.
Formula or logic
- 1 minute = 60 seconds
- 1 hour = 60 minutes = 3,600 seconds
- 1 day = 24 hours
- 1 week = 7 days
Example
For example, 90 minutes equals 1.5 hours or 5,400 seconds. If you are calculating work time, breaks may need to be subtracted separately.
Common questions
Does duration depend on time zone?
Usually no. Duration is elapsed time, while a time zone changes how a clock time is displayed.
Can one month be converted to days?
Not reliably with one fixed value, because months can have 28, 29, 30, or 31 days.
Can this convert milliseconds?
Yes. Milliseconds are common in programming, animation, audio, and video settings.