What is millisecond?

A millisecond is a unit of time equal to one thousandth of a second. It is used in computing, networking, audio and video processing, and measuring reaction times and signal latencies.

What is century (100 yr)?

A century is a unit of time equal to 100 years. It is used in historical analysis, long-term demographic and climate projections, and describing spans of civilizational or geological time.

Worked examples

1 millisecond = 3.170979e-13 century (100 yr)

1 century (100 yr) = 3.153600e+09 second