How to use Time Duration Calculator
- Enter the first duration.
- Choose add or subtract and enter the second duration.
- Read the total in days, hours, minutes and seconds.
About this tool
Durations are converted to seconds, combined and converted back, so minutes above 59 carry over to hours automatically. Subtracting a larger duration from a smaller one gives a negative result.
Handy for timesheets, video lengths and cooking schedules.
Frequently Asked Questions
- Can I enter more than 60 minutes?
- Yes. 90 minutes is carried over as 1 hour 30 minutes in the result.
- Can the result be negative?
- Yes, when subtracting a longer duration from a shorter one.
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