Hours to Seconds Converter
How to convert hours to seconds
seconds = hours × 3,600
To convert hours to seconds, multiply the number of hours by 3,600.
1 h = 3,600 s
Examples
- One day: 24 h × 3,600 = 86,400 s
- 8 h × 3,600 = 28,800 s
Good to know
One hour is exactly 3,600 seconds (60 × 60).
Hours to seconds conversion table
| Hours (h) | Seconds (s) |
|---|---|
| 1 h | 3,600 s |
| 2 h | 7,200 s |
| 3 h | 10,800 s |
| 4 h | 14,400 s |
| 6 h | 21,600 s |
| 8 h | 28,800 s |
| 10 h | 36,000 s |
| 12 h | 43,200 s |
| 18 h | 64,800 s |
| 24 h | 86,400 s |
| 36 h | 129,600 s |
| 48 h | 172,800 s |
| 72 h | 259,200 s |
| 96 h | 345,600 s |
| 120 h | 432,000 s |
| 168 h | 604,800 s |
Unit definitions
- Hour (h)
- An hour is 60 minutes, exactly 3,600 seconds. There are 24 hours in a day.
- Second (s)
- The second is the SI base unit of time, defined as 9,192,631,770 periods of the radiation from a specific transition of the cesium-133 atom.