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Centi

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(Redirected from Centi) This article is about the prefix of measurement units. For other uses, see Centi (disambiguation).Not to be confused with Milli-.

Centi- (symbol c) is a unit prefix in the metric system denoting a factor of one hundredth. Proposed in 1793, and adopted in 1795, the prefix comes from the Latin centum, meaning "hundred" (cf. century, cent, percent, centennial). Since 1960, the prefix is part of the International System of Units (SI). It is mainly used in combination with the unit metre to form centimetre, a common unit of length.

Example

SI prefixes
Prefix Base 10 Decimal Adoption
Name Symbol
quetta Q 10 1000000000000000000000000000000 2022
ronna R 10 1000000000000000000000000000
yotta Y 10 1000000000000000000000000 1991
zetta Z 10 1000000000000000000000
exa E 10 1000000000000000000 1975
peta P 10 1000000000000000
tera T 10 1000000000000 1960
giga G 10 1000000000
mega M 10 1000000 1873
kilo k 10 1000 1795
hecto h 10 100
deca da 10 10
— — 10 1 —
deci d 10 0.1 1795
centi c 10 0.01
milli m 10 0.001
micro μ 10 0.000001 1873
nano n 10 0.000000001 1960
pico p 10 0.000000000001
femto f 10 0.000000000000001 1964
atto a 10 0.000000000000000001
zepto z 10 0.000000000000000000001 1991
yocto y 10 0.000000000000000000000001
ronto r 10 0.000000000000000000000000001 2022
quecto q 10 0.000000000000000000000000000001
Notes
  1. Prefixes adopted before 1960 already existed before SI. The introduction of the CGS system was in 1873.

See also

References

  1. Commission temporaire de Poids & Mesures rêpublicaines, En exécution des Décrets de la Convention Nationale (1793). Instruction abrégée sur les mesures déduites de la grandeur de la Terre; uniformes pour toute la Rêpublique, et sur les Calculs relatifs à leur division décimale (in French) (Edition originale ed.). Paris, France: De l´imprimerie nationale exécutive du Louvre. Retrieved 2015-10-09.
  2. "Universcale: From the nanoworld to the universe — The worlds we measure using our infinite yardstick". Nikon. 2013. Archived from the original on 2017-02-08. Retrieved 2017-02-08.
  3. ^ "On the extension of the range of SI prefixes". 18 November 2022. Retrieved 5 February 2023.
  4. "Metric (SI) Prefixes". NIST.
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