Hours & minutes
Hours and Minutes Calculator
Add or subtract hours and minutes without converting everything by hand.
Result4 hrs 15 min4.25 decimal hours
How this calculator works
Enter two durations in hours and minutes, then choose whether to add or subtract them.
The result is normalized into hours and minutes and also shown as decimal hours for timesheets and billing.
The tool is arithmetic only. Where legal, payroll, holiday, timezone or jurisdiction-specific rules matter, the page states what is and is not included.
Frequently asked questions
Can I enter more than 24 hours?
Yes. These are durations, not clock times, so the hours field is not limited to 23.
How are negative results shown?
Subtraction can produce a negative duration. The calculator keeps the sign and shows the absolute hours and minutes clearly.