| Share
 

Prefixes for Basic Metric Units

Prefixes for Basic Metric Units

Multiples

PrefixAbbreviationPower of 10Equivalent
deka- or deca-da 10 1ten
hecto-h 10 2hundred
kilo-k 10 3thousand
mega-M 10 6million
giga-G 10 9billion
tera-T 10 12trillion
peta-P 10 15quadrillion
exa-E 10 18quintillion
zetta-Z 10 21sextillion
yotta-Y 10 24septillion

Fractions

PrefixAbbreviationPower of 10Equivalent
deci-d 10 - 1tenth
centi-c 10 - 2hundredth
milli-m 10 - 3thousandth
micro-μ 10 - 6millionth
nano-n 10 - 9billionth
pico-p 10 - 12trillionth
femto-f 10 - 15quadrillionth
atto-a 10 - 18quintillionth
zepto-z 10 - 21sextillionth
yocto-y 10 - 24septillionth

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: Weights and Measures


Premium Partner Content
HighBeam Research
Documents Images and Maps Reference
(from Newspapers, Magazines, Journals, Newswires, Transcripts and Books)

Research our extensive archive of more than 80 million articles from 6,500 publications.

Additional search results provided by HighBeam Research, LLC. © Copyright 2005. All rights reserved.

24 X 7

Private Tutor

Click Here for Details
24 x 7 Tutor Availability
Unlimited Online Tutoring
1-on-1 Tutoring