Time Calculator
This versatile tool allows you to perform basic arithmetic operations on time values. You can add or subtract two durations, or multiply and divide a duration by a number. This is incredibly useful for summarizing timesheets, calculating total duration of tasks, or splitting a time period into equal parts.
How to use it: First, select the desired operation (add, subtract, multiply, or divide). Then, enter the time values in hours, minutes, and seconds. For multiplication and division, provide a number to operate with. The calculator will provide the resulting time, properly formatted into hours, minutes, and seconds.
How to use it: First, select the desired operation (add, subtract, multiply, or divide). Then, enter the time values in hours, minutes, and seconds. For multiplication and division, provide a number to operate with. The calculator will provide the resulting time, properly formatted into hours, minutes, and seconds.
2hours
15minutes
0seconds
How The Calculation Works
The "Seconds" Method
To perform math on time values, the calculator first converts everything into a single, common unit: seconds. This makes the arithmetic simple and reliable.
- Convert to Seconds: Each time value you enter (hours, minutes, seconds) is converted into a total number of seconds. (e.g., 1h 30m 15s = 3600 + 1800 + 15 = 5415 seconds).
- Perform Operation: The chosen operation (add, subtract, multiply, or divide) is performed on these second values.
- Convert Back: The final result in seconds is then converted back into hours, minutes, and seconds for the final display. The calculator finds how many full hours fit, then how many full minutes fit in the remainder, and the rest are seconds.
Example Calculation
You chose to add Time 1 (5,400s) and Time 2 (2,700s). This resulted in a total of 8,100 seconds, which is formatted as 2h 15m 0s.