Convert hours to milliseconds
Enter a hours value below and convert to milliseconds
hr
1 hour =
3600000 milliseconds
* exact result
Select how many decimal places the result will be rounded to:
How to convert hours to milliseconds
To convert hours to milliseconds, multiply a hours value by 3600000.
Formula ms = hr × 3600000
Example: Convert 24 hours to milliseconds Calculations: 24 hr × 3600000 = 86400000 ms
Hour (hr)
The hour is a unit of time equal to 1/24 of a day, or 60 minutes.
Millisecond (ms)
The millisecond is a unit of time equal to 1/1000 of a second.