Convert Hour to Second
1 hour = 3,600 second (s). Type any value below to convert hour to second both ways — it runs entirely in your browser.
Hour to Second conversion formula
To convert hour to second, multiply by 3,600:
second = hour × 3,600
Going the other way, 1 second = 0.0002777778 hour, so
hour = second × 0.0002777778.
Hour to Second — worked examples
| Hour | Second |
|---|---|
| 1 hr | 3,600 s |
| 2 hr | 7,200 s |
| 3 hr | 10,800 s |
| 5 hr | 18,000 s |
| 10 hr | 36,000 s |
| 25 hr | 90,000 s |
| 50 hr | 180,000 s |
| 100 hr | 360,000 s |
Hour ↔ Second reference table
| Hour → Second | Second → Hour |
|---|---|
| 1 hr = 3,600 s | 1 s = 0.0002777778 hr |
| 2 hr = 7,200 s | 2 s = 0.0005555556 hr |
| 5 hr = 18,000 s | 5 s = 0.001388889 hr |
| 10 hr = 36,000 s | 10 s = 0.002777778 hr |
| 20 hr = 72,000 s | 20 s = 0.005555556 hr |
| 50 hr = 180,000 s | 50 s = 0.01388889 hr |
| 100 hr = 360,000 s | 100 s = 0.02777778 hr |
| 250 hr = 900,000 s | 250 s = 0.06944444 hr |
| 500 hr = 1,800,000 s | 500 s = 0.1388889 hr |
| 1000 hr = 3,600,000 s | 1000 s = 0.2777778 hr |
About hour and second
Hour: An hour is 60 minutes (3,600 seconds) — the standard unit for scheduling and work.
Second: The second is the SI base unit of time. Everyday durations, timeouts and stopwatch readings are usually measured in seconds.
Frequently asked questions
- How many second are in 1 hour?
- 1 hour = 3,600 second (s).
- How do I convert hour to second?
- Multiply the number of hour by 3,600. For example, 10 hour = 10 × 3,600 = 36,000 second.
- How many hour are in 1 second?
- 1 second = 0.0002777778 hour.
- Which is bigger, hour or second?
- 1 hour equals 3,600 second, so a hour is the larger unit.