Seconds to HH:MM:SS converter
Useful for reading video lengths, system logs and timers that only show seconds.
Loading the tool…
Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter seconds.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Hours = whole part of (seconds ÷ 3600); minutes = whole part of (remainder ÷ 60); seconds = what is left. Days = hours ÷ 24.
Example
Inputs: Seconds = 3,725 s. Result: H:MM:SS: 1:02:05; D:HH:MM:SS: 0:01:02:05; Decimal hours: 1.0347 h.
Limits and caveats
- Accepts whole seconds only; round fractions of a second first.
Questions about this tool
How many minutes are in 3600 seconds?
3600 seconds is 60 minutes, one hour, or 1:00:00.
How many days is a million seconds?
One million seconds is 11 days, 13 hours, 46 minutes and 40 seconds.
What does D:HH:MM:SS mean?
Days, then hours, minutes and seconds; 1:01:01:01 is one day, one hour, one minute and one second.