Microsecond

A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 11,000,000) of a second. Its symbol is μs, sometimes simplified to us when Unicode is not available.

This animation illustrates the generation of the debris and ejecta clouds after a spherical aluminium projectile impacts a thin aluminium plate at approximately 7 km/s. The frame interval is about 1 microsecond.

A microsecond is equal to 1000 nanoseconds or 11,000 of a millisecond. Because the next SI prefix is 1000 times larger, measurements of 10−5 and 10−4 seconds are typically expressed as tens or hundreds of microseconds.


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This article uses material from the Wikipedia article Microsecond, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.