Convert seconds to milliseconds
Enter a seconds value below and convert to milliseconds
s
1 second =
1000 milliseconds
* exact result
Select how many decimal places the result will be rounded to:
How to convert seconds to milliseconds
To convert seconds to milliseconds, multiply a seconds value by 1000.
Formula ms = s × 1000
Example: Convert 5 seconds to milliseconds Calculations: 5 s × 1000 = 5000 ms
Second (s)
The second is the base unit of time, originally defined as 1/86400 of a day. Nowadays, its definition is based on the physical properties of the caesium-133 atom.
Millisecond (ms)
The millisecond is a unit of time equal to 1/1000 of a second.