Calculators & Converters
Time Duration Adder
The Time Duration Adder sums up any number of time durations -- entered as hours, minutes and seconds -- into a single total, correctly carrying over minutes into hours and seconds into minutes.
It's handy for totaling work shifts, video clip lengths, workout segments, or any list of durations you need to add together.
How to Use the Time Duration Adder
- Open the Time Duration Adder.
- Enter hours, minutes and seconds for each duration.
- Click "+ Add Duration" for more rows, or "Remove" to delete one.
- Read the total duration and total seconds.
Frequently Asked Questions
Can I enter more than 59 minutes or seconds in a row?
Yes -- any value you enter is converted to total seconds internally, so entering 90 minutes in one row works fine and is handled correctly in the total.
How many durations can I add?
There's no fixed limit -- keep clicking "+ Add Duration" to add as many rows as you need.
Does the total show the exact seconds too?
Yes, alongside the HH:MM:SS total, it also shows the equivalent total in seconds.
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