Quick guide
Try an example
You enter
- Durations, one per line
1:20:30 0:45:45
You get
02:06:15
How it works & limits
Enter one H:MM:SS duration per line, up to 1,000 lines. Minutes and seconds must be 00–59. Total hours can exceed 24.
Add several durations and see the total in hours, minutes and seconds.
Numbers Stateless1:20:30 0:45:45
02:06:15
Enter one H:MM:SS duration per line, up to 1,000 lines. Minutes and seconds must be 00–59. Total hours can exceed 24.