Time to Hours Calculator
Convert HH:MM:SS duration to total hours as a decimal number. Enter the hours, minutes, and seconds of any duration to get the total in hours.
1.5 hours
Formula
Total hours = H + M ÷ 60 + S ÷ 3600
How to Convert Time to Hours
To convert HH:MM:SS to total hours:
Total hours = H + M ÷ 60 + S ÷ 3600
Example: 1:30:00 = 1.5 hours
Example: 0:45:00 = 0.75 hours
Example: 2:15:30 = 2.2583 hours
Time to Hours Reference Table
| HH:MM:SS | Total Hours |
|---|---|
| 00:00:30 | 0.008333 |
| 00:01:00 | 0.016667 |
| 00:05:00 | 0.083333 |
| 00:10:00 | 0.166667 |
| 00:15:00 | 0.25 |
| 00:30:00 | 0.5 |
| 01:00:00 | 1 |
| 01:30:00 | 1.5 |
| 02:00:00 | 2 |
| 04:00:00 | 4 |
| 06:00:00 | 6 |
| 08:00:00 | 8 |
| 12:00:00 | 12 |
| 24:00:00 | 24 |