Millisecond
Updated: 03/15/2025 by Computer Hope

A millisecond or ms is one thousandth of a second. In other words, there are 1,000 milliseconds in one second. Today, most computer components and technologies operate faster than milliseconds but this measurement is still used with hard drive latency, debounce delay, and human reaction times.
What's faster than a millisecond?
A microsecond is faster than a millisecond.
What's slower than a millisecond?
A second is slower than a millisecond.