Hours to seconds
Convert hours (h) to seconds (s) instantly. 1 hour = 3600 seconds.
Quick answer: 1 hour equals 3600 s. To convert hours to seconds, multiply the value by 3600.
Good to know
- A year here is 365.25 days, so results for years are averages.
Quick reference
| h | s |
|---|---|
| 1 | 3600 |
| 2 | 7200 |
| 5 | 18000 |
| 10 | 36000 |
| 25 | 90000 |
| 50 | 180000 |
| 100 | 360000 |
Frequently asked questions
How many seconds are in 1 hour?
There are 3600 seconds in 1 hour.
How do I convert hours to seconds?
Multiply the number of hours by 3600.
How do I convert seconds back to hours?
Divide by 3600, or multiply by 0.000277778.
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