Add, subtract, or find the difference between time values. Convert between hours, minutes, and seconds. Calculate total duration for time tracking.
Result
04:15:30
4.26 hours
Time 1: 02:30:00(2.50 hours)
Time 2: 01:45:30(1.76 hours)
4
Hours
15
Minutes
30
Seconds
Click to set Time 2 to preset value.
Enter the first time value, then the second time value. Choose "Add" to combine times (useful for total work hours) or "Subtract" to find remaining time. The calculator handles overflow automatically (e.g., 45 min + 30 min = 1 hour 15 min).
Use the "Difference" mode to find the absolute difference between two times. This is useful for calculating elapsed time between start and end times, regardless of which is larger.
Decimal time expresses hours and minutes as decimals. For example, 1:30 (one hour thirty minutes) is 1.5 decimal hours. This format is useful for payroll, billing, and spreadsheet calculations.
Divide minutes by 60 to get hours. For example, 90 minutes = 90 ÷ 60 = 1.5 hours = 1 hour 30 minutes. This calculator shows both formats automatically.
Yes! When the result exceeds 24 hours, it shows days. For example, 30 hours is displayed as "1d 06:00:00" (1 day, 6 hours). This is useful for project time tracking and elapsed time calculations.
Result
04:15:30
4.26 hours