Calculate Hour Between Two Times
Calculate the exact hours, minutes, and seconds between two dates and times. This is perfect for calculating working hours, project duration, or any time period.
Duration: 8.00 Hours
Time Duration Multipliers
| Multiplier | Duration | Total Hours |
|---|---|---|
| x 1.5 | 12h 0m | 12.00 hrs |
| x 2 | 16h 0m | 16.00 hrs |
| x 3 | 1d 0h 0m | 24.00 hrs |
| x 5 | 1d 16h 0m | 40.00 hrs |
| x 10 | 3d 8h 0m | 80.00 hrs |
How to Use This Calculator
- Set Start Time: Select the starting date and clock time (AM/PM or 24h depending on your device settings.
- Set End Time: Next, select the ending date and time. The calculator assumes the end time is in the future.
- Result: This duration calculator instantly calculates the difference between two dates and times. If the duration crosses midnight or spans multiple days, it breaks it down into days and hours.
Why Decimal Hours?
Sometimes you need the result as a decimal for example, 8.5 hours for payroll, and sometimes it as clock time for example, 8 hours 30 minutes.
- 15 Minutes = 0.25 hours
- 30 Minutes = 0.50 hours
- 45 Minutes = 0.75 hours
This calculator provides both formats in the results section under "Duration Conversions".
Examples
Standard Work Day
9:00 AM to 5:00 PM
8 Hours
Overnight Shift
10:00 PM to 6:00 AM
8 Hours
Long Weekend
Fri 5:00 PM to Mon 9:00 AM
2 Days, 16 Hours
1.5 Hours
90 minutes
5,400 seconds
Frequently Asked Questions
Does this calculator support years after 2100?
This calculator is limited to years between 1900 and 2100. For years beyond 2100, please use our Date & Time Calculator.
Does this calculate overnight hours?
Of course, if your start time is 10:00 PM and your end time is 2:00 AM the next day, simply select the correct dates. The calculator will calculate the date accordingly.
Why is the result in decimal hours?
Decimal hours, such as 7.5 hours, are used for payroll calculations. Therefore, for convenience, we provide both decimal and text formats, such as 7 hours and 30 minutes.
Note:
This calculator supports dates from 1900 to 2100.