Add and subtract multiple durations in hours, minutes and seconds.
Result
4 h 23 min 0 s
Decimal hours: 4.3833
2 h 35 min + 1 h 48 min = 4 h 23 min.
Each duration is converted to seconds first.
Values are then added or subtracted and converted back to hours, minutes and seconds.
Yes. Results do not reset after one day.
Yes. A minus sign is shown when subtractions exceed additions.
They express the same duration as hours, for example 1 h 30 min equals 1.5 h.
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