What is second?

The second is the SI base unit of time. It is used globally in science, engineering, computing, and everyday life, and is the foundation upon which all other time units are built.

What is microsecond?

A microsecond is a unit of time equal to one millionth of a second. It is used in electronics, radar systems, telecommunications, and measuring the speed of high-frequency processes.

Worked examples

1 second = 1,000,000 microsecond

1 microsecond = 0.000001 second