Time Calculator
Add or subtract time durations. Calculate hours, minutes, and seconds with ease.
Result
11h 15m 30s
Total: 40,530 seconds
How to Use the Time Calculator
Enter two time durations in hours, minutes, and seconds format. Choose to add or subtract, and get your result instantly. Perfect for calculating work hours, project durations, or time differences.
Time Calculator FAQ
How do I add time together?▼
Add hours, minutes, and seconds separately. If seconds exceed 60, carry over to minutes. If minutes exceed 60, carry over to hours. Our calculator does this automatically.
How do I calculate time difference?▼
Convert both times to total seconds, subtract the smaller from the larger, then convert back to hours:minutes:seconds format.
How many minutes are in an hour?▼
There are 60 minutes in an hour, 3600 seconds in an hour, and 24 hours in a day (1440 minutes per day, 86400 seconds per day).