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Hours to Seconds

Convert hours to seconds. 1 hour = 3600 seconds.

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1 Hour (h) = 3600 Second (s)

3600

1 Hour (h) = 3600 Second (s)

Quick Reference

Hour (h)
Second (s)
0.1
360
0.5
1800
1
3600
2
7200
5
18000
10
36000
20
72000
50
180000

Frequently Asked Questions

1 Hour (h) = 3600 Second (s). Convert hours to seconds. 1 hour = 3600 seconds.
Use the converter above. Enter any value in the Hour (h) field and the result in Second (s) appears instantly.
Conversions use precise factor-based math with up to 8 significant figures. Results are rounded for display only.
Yes — all unit conversions work entirely in your browser with no internet connection required.