Convert 1 Second to Milliseconds
How long is 1 second? What is 1 second in milliseconds? 1 s to ms conversion.
Hours
Minutes
Seconds
From
To
swap units ↺
1 Second =
1,000 Milliseconds
exact result
Decimal places
Result in Plain English
1 second is equal to exactly 1,000 milliseconds.
In Scientific Notation
1 second
= 1 x 100 seconds
= 1 x 103 milliseconds
Seconds
A second is the base unit of time. Originally, it was based on the length of the day, but it has since been standardized based on the radiation wavelength of caesium-133.Common abbreviations: s, sec