Hours to Milliseconds Conversion
Enter the time in hours below to get the value converted to milliseconds.
How to Convert Hours to Milliseconds
To convert an hour measurement to a millisecond measurement, multiply the time by the conversion ratio.
Since one hour is equal to 3,600,000 milliseconds, you can use this simple formula to convert:
The time in milliseconds is equal to the hours multiplied by 3,600,000.
How Many Milliseconds are in an Hour?
There are 3,600,000 milliseconds in an hour, which is why we use this value in the formula above.
1 hr = 3,600,000 ms
Hours and milliseconds are both units used to measure time. Keep reading to learn more about each unit of measure.
Hours
The hour is a period of time equal to 1/24 of a day or 60 minutes.
The hour is an SI accepted unit for time for use with the metric system. Hours can be abbreviated as hr; for example, 1 hour can be written as 1 hr.
Milliseconds
The millisecond is a multiple of the second, which is the SI base unit for time. In the metric system, "milli" is the prefix for 10-3. Milliseconds can be abbreviated as ms; for example, 1 millisecond can be written as 1 ms.
Hour to Millisecond Conversion Table
| Hours | Milliseconds |
|---|---|
| 0.000001 hr | 3.6 ms |
| 0.000002 hr | 7.2 ms |
| 0.000003 hr | 10.8 ms |
| 0.000004 hr | 14.4 ms |
| 0.000005 hr | 18 ms |
| 0.000006 hr | 21.6 ms |
| 0.000007 hr | 25.2 ms |
| 0.000008 hr | 28.8 ms |
| 0.000009 hr | 32.4 ms |
| 0.0000001 hr | 0.36 ms |
| 0.000001 hr | 3.6 ms |
| 0.00001 hr | 36 ms |
| 0.0001 hr | 360 ms |
| 0.001 hr | 3,600 ms |
| 0.01 hr | 36,000 ms |
| 0.1 hr | 360,000 ms |
| 1 hr | 3,600,000 ms |
