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A microsecond is a unit of time in the International System of Units (SI) 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.

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.


See also


  1. ^ Gross, R.S. (14 March 2014). "Japan quake may have shortened Earth days, moved axis". JPL News. Jet Propulsion Laboratory. Retrieved 23 August 2019.
  2. ^ Cook-Anderson, Gretchen; Beasley, Dolores (January 10, 2005). "NASA Details Earthquake Effects on the Earth". NASA. Retrieved September 18, 2021.
  3. ^ MacDonald, Fiona. "Earth's Days Are Getting 2 Milliseconds Longer Every 100 Years". ScienceAlert. Retrieved 2017-03-08.
  4. ^ Richard Pogge. "GPS and Relativity". Retrieved 2011-10-01.
  5. ^ Intel Solid State Drive Product Specification
  6. ^ Kumar, Anurag; Manjunath, D.; Kuri, Joy (2008), "Application Models and Performance Issues", Wireless Networking, Elsevier, pp. 53–79, doi:10.1016/b978-012374254-4.50004-1, ISBN 978-0-12-374254-4, retrieved 2022-08-08
  7. ^ al-Biruni (1879). The chronology of ancient nations: an English version of the Arabic text of the Athâr-ul-Bâkiya of Albîrûnî, or "Vestiges of the Past". Translated by Sachau C Edward. W. H. Allen. pp. 147–149. OCLC 9986841.
  8. ^ R Bacon (2000) [1928]. The Opus Majus of Roger Bacon. translator: BR Belle. University of Pennsylvania Press. table facing page 231. ISBN 978-1-85506-856-8.