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Time Calculator

Add or subtract time values easily.

Base Time

hr
min
sec

Time to Add or Subtract

hr
min
sec

How to Calculate

The time calculator adds or subtracts time from a base time value. You can input hours, minutes, and seconds. Results are shown in h:m:s format along with total seconds, total minutes, and total hours.

Example

Base time: 2 hours 30 minutes 0 seconds Add: 1 hour 45 minutes 0 seconds Result: - Result: 4 hours 15 minutes 0 seconds - Total seconds: 15,300 sec - Total minutes: 255 min

FAQ

Can I enter more than 60 minutes?
Yes, entering 60 or more for minutes or seconds will be automatically converted and calculated correctly.
Can the result be negative?
Yes, if you subtract a larger time than the base time, a negative result will be displayed.
How is total time calculated?
All time values are converted to seconds first, then divided back into hours, minutes, and seconds.