Time Calculator
Add or subtract durations — useful for timesheets, projects, recipes and travel. Enter two times and choose whether to add or subtract them.
Result
11h 15m 0s
In hours (decimal)
11.25
In minutes
675
Total seconds
40,500
Days
0.4688
How this was worked out
- Step 1First time in seconds: 27,900
- Step 2Second time in seconds: 12,600
- Step 327,900 + 12,600 = 40,500 seconds
Formula
Convert both times to seconds, add or subtract, then convert back to h:m:s.
Example
Input
7h 45m + 3h 30m
Result
11h 15m 0s
Frequently asked questions
Convert everything to minutes or seconds, add, then convert back. VELNARO does this automatically.
Yes. Enter the durations themselves (for example 22:00 to 06:00 is 8 hours of difference) and the calculator handles the arithmetic.
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