Hours Calculator
Calculate the duration between a start and end time, with decimal hours and total minutes.
How it works
- 1
Enter your values in the fields.
- 2
Results update automatically as you type.
- 3
Use Reset to clear and try another scenario.
Why use this calculator
- Overnight friendly
- Hours and minutes
- Decimal hours
- Useful for timesheets
Timesheet math
Enter start and end times to get worked duration. If end is earlier than start, the calculator assumes overnight.
Decimal hours
Decimal hours help when payroll systems expect 7.5 instead of 7:30.
Frequently asked questions
Overnight shifts?
Yes — end before start adds 24 hours.
Seconds?
This tool uses hours and minutes (time inputs).
Multiple breaks?
Subtract break time manually from the result if needed.