Convert hours to seconds
Instantly convert hours to seconds using our free online calculator. See the formula and a full reference table below.
1 hour = 3600 seconds
Formula:
hours × 3600 = secondsHour → Second reference table
| hours | seconds |
|---|---|
| 1 hour | 3600 seconds |
| 2 hours | 7200 seconds |
| 5 hours | 18000 seconds |
| 10 hours | 36000 seconds |
| 25 hours | 90000 seconds |
| 50 hours | 180000 seconds |
| 100 hours | 360000 seconds |
| 250 hours | 900000 seconds |
| 500 hours | 1800000 seconds |
| 1000 hours | 3600000 seconds |
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Frequently asked questions
How many seconds are in 1 hour?
1 hour equals 3600 seconds.
What is the formula to convert hours to seconds?
Multiply the number of hours by 3600 to get the equivalent in seconds.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors with up to 6 decimal places of precision.