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Instant result
The result is updated directly from the data entered.
Online Calculator
Time Calculator
Add or subtract two durations and see the result in hours, minutes, and seconds, as well as total seconds.
Time 1
Time 2
Result
2 h 15 min 30 s
Total seconds
8,130
Information
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Local processing
The calculations are done in your browser without sending the values to a server.
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Free
No registration, subscription, or paid API required.
Frequently asked questions
Can I add two times?
Yes. Enter hours, minutes and seconds for each duration.
Can I subtract times?
Yes. Select Subtract times.
What happens if the second duration is longer?
The result is limited to zero to avoid negative durations.
Does it show the total seconds?
Yes.