how many milliseconds in one second
There are 1000 milliseconds in a second. 1 Seconds is equal to 1000 Milliseconds. 1 s = 1000 ms. A unit of time known as second is one of the base units of time measurement in SI. In ancient times a second was defined in terms to the duration of a solar day, and in modern times this unit is defined regarding the period of the Earth revolving around the Sun.