Hour to Second Conversion
1 Hour (h) equals 3,600 Second (s).
1 Hour = 3,600 Second
How to convert Hour to Second
Multiply the value in Hour by 3,600 to get Second. To convert back from Second to Hour, divide by 3,600 — or multiply by 0.0002777777778.
s = h × 3,600
Example: 25 h × 3,600 = 90,000 s.
Watch out: Months and years vary in length. For consistency this converter uses a 30-day month and a 365-day year, so conversions over long spans are approximate.
Hour to Second conversion table
| Hour (h) | Second (s) |
|---|---|
| 1 | 3,600 |
| 2 | 7,200 |
| 3 | 10,800 |
| 4 | 14,400 |
| 5 | 18,000 |
| 10 | 36,000 |
| 15 | 54,000 |
| 20 | 72,000 |
| 25 | 90,000 |
| 50 | 180,000 |
| 75 | 270,000 |
| 100 | 360,000 |
| 250 | 900,000 |
| 500 | 1,800,000 |
| 1,000 | 3,600,000 |
Frequently asked questions
What is 1 Hour in Second?
1 Hour (h) is 3,600 Second (s).
What is 1 Second in Hour?
1 Second (s) is 0.0002777777778 Hour (h).
How do I convert Hour to Second?
Multiply the value in Hour by 3,600. For example, 5 h × 3,600 = 18,000 s. To go the other way, divide by 3,600.
How many units does the time converter support?
It converts between 12 units: Second, Millisecond, Microsecond, Nanosecond, Minute, Hour, Day, Week, Month (30d), Year (365d), Decade, Century.
What should I watch out for when converting time?
Months and years vary in length. For consistency this converter uses a 30-day month and a 365-day year, so conversions over long spans are approximate.
More time conversions
Full converter
For any other time unit, use the full Time Converter.