What is Time Calculator?
Calculates actual working time from start and end times minus breaks, and adds or subtracts time from a given clock time. It can also total a list of durations in mixed formats like “8:30”, “9h 15m” and “7.5” — handy for weekly timesheets.
How to use
- 1
Pick a mode (between two times, add/subtract, or total).
- 2
Enter the times or a list of durations.
- 3
Check the result.
Use cases
Totaling work hours
Add up a week of clock-in and clock-out records.
Flight arrival time
Add the flight time to the departure time to find the arrival time.
FAQ
Is the information I enter saved?+
No. All calculations happen in your browser and nothing is stored or sent anywhere.