1 hr = 3600 s
Hours (hr)
Seconds (s)
Result
—s
| Hours | Seconds |
|---|---|
| 1 hr | 3600 s |
| 2 hr | 7200 s |
| 5 hr | 18000 s |
| 10 hr | 36000 s |
| 25 hr | 90000 s |
| 50 hr | 180000 s |
| 100 hr | 360000 s |
| 500 hr | 1800000 s |
| 1000 hr | 3600000 s |
How to Convert Hours to Seconds
1 hr = 3600 s
To convert from hours to seconds, use the formula above. Multiply your value in hours by the conversion factor to get the result in seconds.
About Hours
The hour (hr) is a standard unit of time measurement used in scientific and everyday contexts worldwide.
About Seconds
The second (s) is widely used in science and international contexts.
Frequently Asked Questions
QHow many seconds in 1 hour?
1 hour equals 3600 seconds.
QHow do I convert hours to seconds?
Use the formula: 1 hr = 3600 s. Or simply enter your value in the converter above for an instant, accurate result.
QIs this converter accurate?
Yes. CVRT uses precise conversion factors based on international standards (SI units). Results are accurate to 8 significant figures.
QCan I convert seconds back to hours?
Yes — click the swap button (⇄) or visit the Seconds to Hours converter page.