Hours to Seconds Converter
Convert hours to seconds instantly. 1 h = 3,600 s. Includes the formula, examples and a table of common values.
Formula
s = h × 3,600
1 h → 3,600 s
Conversion table
| h | s |
|---|---|
| 1 h | 3,600 s |
| 2 h | 7,200 s |
| 3 h | 10,800 s |
| 4 h | 14,400 s |
| 5 h | 18,000 s |
| 6 h | 21,600 s |
| 7 h | 25,200 s |
| 8 h | 28,800 s |
| 9 h | 32,400 s |
| 10 h | 36,000 s |
| 12 h | 43,200 s |
| 15 h | 54,000 s |
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Frequently asked questions
How do I convert Hours to Seconds?
Use this formula: s = h × 3,600. For example, 1 h → 3,600 s.
How many seconds are in 1 hour?
1 h = 3,600 s.
How many hours are in 1 second?
1 s = 0.000277778 h.
Is this conversion exact?
Results are rounded to six significant digits; the conversion factor itself is exact or very precise for these units.