Duration to Seconds
Enter hours, minutes, and seconds to see the total duration expressed purely in seconds.
Educational purposes only. Not professional advice.
Examples
- 1h 30m 15s ⇒ 5,415 seconds
- 0h 45m 0s ⇒ 2,700 seconds
- 2h 0m 5s ⇒ 7,205 seconds
FAQ
Can I leave fields blank?
Empty fields are treated as zero.
Does it handle durations longer than a day?
Yes, enter any non-negative values.
Can I use decimals?
Use whole numbers; the calculator treats inputs as integers.
What if I enter negative numbers?
Negative values are invalid and will not calculate.
Additional Information
- 1 hour = 3,600 seconds and 1 minute = 60 seconds.
- All inputs must be non-negative integers.