One millisecond is one-thousandth of a second.
To help compare orders of magnitude of different times this page lists times between 10−3 seconds and 10−2 seconds (1.0 to 10 milliseconds). See also times of other orders of magnitude.
1 E-3 s | Milliseconde | 1 E-3 s | Millisekund | Millisekund | 毫秒