Hour (h)
Sixty minutes.
Result
1 hour = 3,600,000 milliseconds
Hour at a glance
| Unit name | Hour (plural: hours) |
|---|---|
| Symbol | h |
| Quantity measured | Time |
| Measurement system | Metric |
| Also known as | hr, hrs, h |
| Definition exact? | Yes — exact by definition |
1 hour in other time units
| Unit | 1 h equals |
|---|---|
| Nanosecond | 3,600,000,000,000 ns |
| Microsecond | 3,600,000,000 µs |
| Millisecond | 3,600,000 ms |
| Second | 3,600 s |
| Minute | 60 min |
| Day | 0.041666667 d |
| Week | 0.005952381 wk |
| Month | 0.001368954 mo |
| Year | 0.000114079 yr |
| Decade | 0.000011408 dec |
| Century | 0.000001141 c |
| Millennium | 0.000000114 ky |
| Fortnight | 0.00297619 fn |
Popular hour conversions
Frequently asked questions
- What is a hour?
- Sixty minutes.
- What is the symbol for the hour?
- The symbol for the hour is h. It measures time.
- How many milliseconds are in a hour?
- 1 hour = 3,600,000 milliseconds.
- How many seconds are in a hour?
- 1 hour = 3,600 seconds.
- How many minutes are in a hour?
- 1 hour = 60 minutes.