Hours to seconds
One hour equals 3,600 seconds.
| Hours (hr) | Seconds (sec) |
|---|---|
| 0.5 | 1,800 |
| 1 | 3,600 |
| 2 | 7,200 |
| 8 | 28,800 |
| 24 | 86,400 |
Calendar unit note
For conversion purposes, this calculator treats one month as 30 days and one year as 365 days. Real calendar months and years vary in length.
More unit converters
Choose another category to convert more everyday measurements.