How it's calculated
s = hr × 3,600
hr = hours, s = seconds. 3,600 = 60 × 60. Reverse: hr = s ÷ 3,600.
Common values
| Hours | Seconds |
|---|---|
| 0.5 h | 1800 s |
| 1 h | 3600 s |
| 2 h | 7200 s |
| 8 h | 28800 s |
| 24 h | 86400 s |
Common questions
How many seconds are in an hour?
Exactly 3,600 seconds, since an hour is 60 minutes of 60 seconds each.
How many seconds are in a full day?
86,400 seconds, which is 24 hours times 3,600.