A millisecond is an SI-derived unit of time, equal to one thousandth of a second. The word millisecond is formed by the prefix, milli-, and the unit, second. Its symbol is ms.

1 ms = 10⁻³ seconds

See also

• 1 E-3 s for a list of times on the order of 1-10 milliseconds

nl:Milliseconde zh:毫秒