hours to seconds
Convert hour to second — instant, free, with the formula shown.
1 h=3600 s
How to convert hour to second
To convert hour to second, multiply by 3600:
s = h × 3600
For example, 10 h × 3600 = 36000 s.
h to s conversion table
| hours (h) | seconds (s) |
|---|---|
| 1 h | 3600 s |
| 2 h | 7200 s |
| 5 h | 18000 s |
| 10 h | 36000 s |
| 25 h | 90000 s |
| 50 h | 180000 s |
| 100 h | 360000 s |
| 250 h | 900000 s |
| 500 h | 1800000 s |
| 1000 h | 3600000 s |
Other hour conversions
Convert to second from another unit
h to s — frequently asked
How many seconds are in 1 hour?
1 hour = 3600 seconds (h × 3600 = s).
What is the formula to convert hour to second?
Multiply your hour value by 3600 to get second.
How do I convert 10 hours to seconds?
10 h = 36000 s. For 100 h the answer is 360000 s. Use the calculator on this page for any other value.