Hours to Seconds
One hour is 3,600 seconds. Durations from milliseconds to years. A year here is 365 days; leap years and calendar months are handled by the date calculators instead.
ad 728x90
ad 320x50
1 hour = 3,600 seconds · open this conversion
Formula
seconds = hours × 3,600
One year is taken as 365 days and one week as 7 days. Calendar months vary in length and are not offered here.
Hours to Seconds table
| Hours | Seconds |
|---|---|
| 1 h | 3,600 s |
| 2 h | 7,200 s |
| 3 h | 10,800 s |
| 5 h | 18,000 s |
| 10 h | 36,000 s |
| 12 h | 43,200 s |
| 15 h | 54,000 s |
| 20 h | 72,000 s |
| 24 h | 86,400 s |
| 30 h | 108,000 s |
| 45 h | 162,000 s |
| 48 h | 172,800 s |
| 60 h | 216,000 s |
| 72 h | 259,200 s |
| 90 h | 324,000 s |
| 100 h | 360,000 s |
| 120 h | 432,000 s |
| 168 h | 604,800 s |
| 365 h | 1,314,000 s |
| 1,000 h | 3,600,000 s |
native ad unit
Other time conversions
Frequently asked questions
▸How many seconds are in a hour?
One hour is 3,600 seconds. seconds = hours × 3,600.
▸How do I convert hours to seconds?
Multiply the number of hours by 3,600. For example, 10 h × 3,600 = 36,000 s.
▸What is the difference between hours and seconds?
Hour (h) and Second (s) both measure time. Durations from milliseconds to years. A year here is 365 days; leap years and calendar months are handled by the date calculators instead.
ad 300x250