How Many Seconds in a Hour?
There are exactly 3,600 Seconds (s) in 1 Hour (hr).
1 hr =
3,600
s
Hours to Seconds Quick Reference
| Hours (hr) | Seconds (s) |
|---|---|
| 1 hr | 3,600 s |
| 2 hr | 7,200 s |
| 5 hr | 18,000 s |
| 10 hr | 36,000 s |
| 20 hr | 72,000 s |
| 25 hr | 90,000 s |
| 50 hr | 180,000 s |
| 100 hr | 360,000 s |
| 500 hr | 1,800,000 s |
| 1,000 hr | 3,600,000 s |
How to Convert
To convert Hours to Seconds, multiply the Hour value by 3,600. For example, 5 hr = 18,000 s.