Convert hours to seconds and seconds to hours instantly. Bidirectional time converter with formula and common values.
To convert hours to seconds, multiply by 3,600. One hour equals 60 minutes, and each minute has 60 seconds, giving 60 x 60 = 3,600 seconds per hour.
| Hours | Seconds |
|---|---|
| 0.25 | 900 |
| 0.5 | 1,800 |
| 1 | 3,600 |
| 2.5 | 9,000 |
| 8 | 28,800 |
| 12 | 43,200 |
| 24 | 86,400 |
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One hour contains exactly 3,600 seconds (60 minutes x 60 seconds).
Multiply the number of hours by 3,600. For example, 2.5 hours x 3,600 = 9,000 seconds.
Each hour has 60 minutes and each minute has 60 seconds, so 60 x 60 = 3,600 seconds.
An 8-hour work day contains 28,800 seconds.