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Units & Systems of Units

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Symbols, Abbreviations & Acronyms

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Terms are alphabetized according to the English alphabetical order. Accented characters are placed immediately after the most similar roman unaccented character. Symbols that are not characters in the roman alphabet, but are used in publications in the English language are listed after the entries beginning with “z”, at the end of this list.

aana आना

ab- (a prefix)

absolute systems of units

Cheshire acre

Cornish acre

Cunningham acre

Irish acre

plantation acre

Rhynland acre

Scottish acre

statute acre

Allen-Doisy unit

American scale (for coins, medallions, etc.)

'ammāh אמח

ampere, international

apothecaries' measure

Apotheker-Pfund

archin аршин

area (a unit, not the property)

arpent de Paris

arpent d'ordonnance

arpent in Louisiana (USA)

arpent in Mauritius

arpent in Quebec (Canada)

arshin аршин

arshine аршин

astronomical unit

atmosphere, technical

atomic mass unit

atto- (an SI prefix)

English ale and beer barrels

anchovy barrel (England)

barrel of beer (contemporary)

barrel (Belize)

butter barrel (England)

charcoal barrel

cranberry barrel

barrel (Netherlands)

petroleum barrel

barrel (Scotland)

US traditional and commercial barrel sizes

apple barrel (United States)

dry goods barrel (United States)

Baumé hydrometer scale

berkovets берковец

bicro-, bicron

biggah बिघा

BIPM (an acronym)

bishekel hachodesh

blood (wool grades)

Board of Trade unit of supply

body mass index

botschka бочка

bougie de l'étoile

bougie décimale

bougie nouvelle

boutylka бутылка

British gravitational system of units

British thermal unit

bu 歩, 分

U.S. apple bushel

bushel as a unit of mass

charcoal bushels

Guernsey bushel

imperial bushel

New York and Connecticut bushels

Sierra Leone bushel

Winchester bushel

butylka бутылка

international candle

cantara piccolo

cape hundredweight

carreau de terre

cäyäwleneñ könlek yulı

celsius heat unit

Celsius scale of temperature

cemmatzotzopaztli

cencuauhxomahtli

cennetlaloliztli

centesimal minute

centesimal second

centi- (an SI prefix)

centigrade heat unit

centigrade scale of temperature

centiMcClintock

centimeter-gram-second systems of units

centimeter-gram-second-biot system of units

centimeter-gram-second electromagnetic system of units

centimeter-gram-second electrostatic system of units

centimeter-gram-second-franklin system of units

centimeter-gram-second gaussian system of units

centlachipinilli

centlanahuatectli

centzontecomatl

CGPM (an acronym)

cha 치 / 촌

engineers' chain

charka чарка

chast часть

chetverik четверик

chetvert четверть

chetvertinka четвертинка

chi 尺

chkalik шкалик

cho 丁, 町

chous χοϋς

CIPM (an acronym)

CODATA (an acronym)

color temperature

Committee on Data for Science and Technology

international coulomb

count, a measure of worsted wool yarn

criadero de ganado mayor

criadero de ganado menor

cuauhacaltontli

Cunningham acre

daktylos δάκτυλος

dam दाम

Danjon scale of lunar eclipse brightness

dasheng 大升

deca- (an SI prefix)

deci- (an SI prefix)

deciatina десятиннЬій

deka- (an SI prefix)

denier, a measure of yarn fineness

denier, a unit of mass

derived units in SI

desiatina десятиннЬій

dhur धुर

diastatic index

dolja допя

Manchester dram system for thrown silk yarn

duim дюйм

enzyme activity unit

exa- (an SI prefix)

Fahrenheit scale of temperature

fardo de tabaco

femto- (an SI prefix)

fineness of precious metals

foot-grain-second system of units

foot-pound-second system of units

force de cheval

formazin turbidity unit

fun 分

English ale gallon

English wine gallon

imperial gallon

Irish gallon

Scottish gallon

United States gallon

United States dry gallon

Winchester gallon

garnetz гарнец

gauss See also abtesla.

geographical mile

geun 근

giga- (an SI prefix)

gō 合

gong 弓

gōng jin 公斤

gōng liˇ 公里

gong qing 公顷

grosses tausend

gyes γύης

Harrapan units of weight

hecto- (an SI prefix)

Hefner unit or Hefner candle

hiki 疋

hiro 尋

hong euk louang

boiler horsepower

British horsepower

electric horsepower

metric horsepower

water horsepower

hú 嘝

hundredweight (United States)

hydrometer scales

Balling hydrometer scale

Baumé hydrometer scale

Brix hydrometer scale

Dujardin hydrometer scale

Öchsle hydrometer scale

tralle hydrometer scale

hyō 俵

imperial capacity

imperial system

Indus Valley units

international bitterness unit

International Bureau of Weights and Measures

international nautical mile

International System of Electrical and Magnetic Units

international units

Istanbul kilesi

ja 치 / 촌

Jackson turbidity units

jeongbo 정보

jin 斤, 觔

jō 丈, 畳

jun 钧, 鈞

kan 貫

katastarsko jutro

kattha कठ्ठा

ken 間

kilo- (an SI prefix)

kilogram-molecule

kin 斤

koku 石

kordofan mukhamas

koros κόρους

kotyle κοτύλη

krouchka кружка

kubikilometerseter

kujira shaku bu

kujira shaku jo

kujira shaku shaku

kujira shaku sun

land, seed measures of

lichas λιχάς

liniya линия

livre americaine

lot лот

magnitude

absolute magnitude

bolometric magnitude

integrated magnitude

photographic magnitude

stellar magnitude

magnitudes, visual

malatstuwanisaqa

Matthiesen's unit of resistance

me 目

mega- (an SI prefix)

Mercalli earthquake intensity scale

MET metabolic equivalent of task

meter—kilogram force—second system of units

meter-kilogram-second system of units

meter-kilogram-ohm-second system of units

metre (spelling)

metretes μετρητής

imperial nautical mile

international nautical mile

United States nautical mile

milli- a prefix in the metric system

millimeter-milligram-second system of units

mō 毛

mon 文

moneyers' weight

mukamas, Kordofan

mule load standard

nano- (an SI prefix)

National Physical Laboratory

nephelometric turbidity unit

n-unit, N-unit

ohm, international

orguia ὀργυιά

osmine осьмин

Amsterdam ounce

apothecaries' ounce

avoirdupois ounce

paisa पैसा

pajak паяк

Palermo Technical Impact Hazard Scale

paletz палец

Palmer Drought Severity Index

palmo de craveira

particle flux unit

pechus πηχυς

peta- (an SI prefix)

Pfund scale

phai mû louang

pico- (an SI prefix)

pié geometrico

pingfang kung chih

plethron πλέθρον

pollutant standards index

polygarnetz полигарнец

pouce de fontainier

pound

amsterdam pound

apothecaries pound

pound avoirdupois

pous πούς

proof (alcoholic)

pulgada maderera

pygon πυγών

quadrant inductance

reputed quart de bouteille

Rankine scale of temperature

ratings, audience

rationalized electric and magnetic units

Réamur scale of temperature

ri 里

Richter and other earthquake magnitude scales

rin 厘

Rockwell hardness scale

roede, rijnlandse

ropani रोपनी

Rossi-Forel earthquake intensity scale

ryō 両

Saffir-Simpson Damage Potential Scale for hurricanes

sai 才

sat ษัฏ

scratch and dig numbers

se 畝

seer, cutcha

seok 석

shaku 勺, 尺

shō 升

shrimp basket and barrel

shu 铢, 銖

sitio de ganado mayor

skäppefjärding

solar flux unit

sotka сотка

sound transmission class (STC)

space weather scales

spithame σπιθαμή

stadion στάδιον

Standardized Precipitation Index

stat- (a prefix)

stathmos σταθμός

sun 寸

suō 索

supplementary units

tan 反, 段

technical atmosphere

technical unit of mass

telegraph nautical mile

telegraph units of electric resistance

tera- (an SI prefix)

to 斗

tonelada larga española

Torino Impact Hazard Scale

TORRO Hailstorm Intensity Scale

transmission unit

ultraviolet index

unit magnetic pole

volcanic explosivity index

xún 寻, 尋

yard, international

yocto- (an SI prefix)

Yosemite Decimal System

yotta- (an SI prefix)

zepto- (an SI prefix)

zetta- (an SI prefix)

zolotnik золотник