How many seconds are in an hour?
There are 3,600 seconds in 1 hour.
Detailed answer
1 hour = 60 minutes and 1 minute = 60 seconds, so 1 hour = 60 × 60 = 3,600 seconds. Multiply hours by 3,600 for seconds; divide seconds by 3,600 for hours.
Relationship context
Seconds are the SI-friendly base step here; hours are practical for billing and media. Large factors are exact with fixed definitions.
Quick conversion table
| Hour (h) | Second (s) |
|---|---|
| 0.1 | 360 |
| 1 | 3,600 |
| 2 | 7,200 |
| 3 | 10,800 |
| 4 | 14,400 |
| 5 | 18,000 |
| 6 | 21,600 |
| 7 | 25,200 |
| 8 | 28,800 |
| 9 | 32,400 |
| Hour (h) | Second (s) |
|---|---|
| 10 | 36,000 |
| 20 | 72,000 |
| 30 | 108,000 |
| 40 | 144,000 |
| 50 | 180,000 |
| 60 | 216,000 |
| 70 | 252,000 |
| 80 | 288,000 |
| 90 | 324,000 |
| 100 | 360,000 |
More Hours converters
Dedicated pages from Hour to every other hub time unit (year, month, week, day, hour, minute, second, millisecond).