index to
Units & Systems of Units
Alphabetization is by English alphabetical order. Accented characters are placed immediately after the most similar roman unaccented character. Read more key…
Symbols used in publications in English that are not characters in the roman alphabet are listed in “symbol”.
Square brackets [ ] indicate the language. More than one pair of square brackets shows the word exists in different languages, or as different words in non-Roman languages having the same romanization. Curly braces { } enclose locations, if we do not know the language.
The index entries containing, for example, a Chinese, Japanese or Korean character, are larger because a height of at least 24 pixels is needed for such characters to be legible. Show less key…
A
Å* unit
aam
aana [Nepali आना ]
ab- (a prefix)
abampere
abasám` [Twi]
abbas
abbassi
abcoulomb
abfarad
abhenry
abmho
abohm
abotoca {Benin}
aboumantan {Benin}
âbraa
absiemens
absolute systems of units
abstat
abtesla
abucco
abvolt
acalli
accono
acetabulum [Latin (Roman)]
achita [Kannada, Malayalam]
Achtel [Danish, German]
acino
acnua
acre
Cheshire acre
Churchland acre
Cornish acre
Cunningham acre
Devonshire acre
Dumbarton acre
Forest acre
Herefordshire acre
Inverness acre
Irish acre
Lancashire acre
Leicester acre
plantation acre
Rhynland acre
Scottish acre
Somersetshire acre
Staffordshire acre
West Derby acre
Westmoreland acre
Wiltshire acre
Woodland acre
statute acre
acre-foot
acre-inch
acreme
actus
ádam
adarme
aḍḍa
addaṇ a [Kannada]
áḍhak
adhára
adi
adila
adjandjan
adoucou
adowlie
adu [Galo]
æs
aftari
agatch
agito
agnua
agop [Galo]
agoue
agre
aguilhada
Ahm
ahmchen
aĩci [Nepali, ऐँचि ]
aighendale
akey {Sudan}
akó
akor [Galo]
akov
alada
album
aldan [Mongolian]
alen
algarrobo [Spanish]
ali
alin [Icelandic]
Allen-Doisy unit
alloa
almane
almena
almenn turma [Icelandic]
almeno
almud
aln
alqueire
am
amagat
amat
amber
ame
amem
American scale (for coins, medallions, etc.)
amma [Greek, ἄμμα ]
ammāh [Hebrew, אַמָּה]
ammat
ammatu [Akkadian]
Ammersaat
amola [Italian]
amomam
ampere
ampere, international
amphora
anana
anco
ancre
andullo
ánée [French]
anfora
anga
angal
angstrom
angstrom star (Å* unit)
angula
anjal
ankare
anker
anna
anṣ
Ansbacher unit
antal
antsàsany
anuk
anukabiet [Thai]
apantle
apatan
API degree
apostilb
apothecaries’ measure
Apotheker-Pfund
aqarqi
aqmada
araba
araba ot [Turkish]
aradura
arai [Acehnese]
aranzada
archin [Russian, аршин ]
[Bulgarian] [Turkish]
arcminute
arcsecond
ardeb
are
area (a unit, not the property)
aṛḥaiya [Hindi, अढ़ैया ]
arienzo
armiña
aro [Galo]
arpent
arpent commun
arpent de Paris
arpent d’ordonnance
arpent in Louisiana (USA)
arpent in Mauritius
arpent in Quebec (Canada)
arranzada
arratel
arrelde
arroba
arroz
arruse
arshin аршин
arshine аршин
arsin
arşini
artaba
artole
arusi
aruzza
arxén
arzan
as
asiari
ask
askaland
ašlu
ass [Swedish]
assay ton
asta
astronomical unit
aswansi
atik [Galo]
atmosphere
atmosphere, technical
atomic current
atomic mass unit
atomic weight
atomo
åtting
åttingkar
atto- (an SI prefix)
auchlet
aulme
aum
aumbe
aune
avanom
avidine unit
avogram
awochobe
ayak
ayewa
ayum [Galo]
azab
azumbre
B
C
caba
cabaho
cabalgada
caballería
caban
cable
cabot
cabotel
cabulla
cacaxtle
cade
cadil
caffiso
cafiz
caggor-kegg
cagliarese [Italian]
caja
cajón
cajuela
cal
calco
calorie
camel load
camionada
campo
can
cân
cana
canada
cañado
canasto
candela
candil
candle
candle britain
international candle
Munich candle
new candle
verein candle
candy
caneca
canna
cannin
cantar
cantara
cantara piccolo
cántaro
cantero
cantred
cao
cap
cáp
cape foot
cape hundredweight
cape inch
cape rood
capicha
capon unit
caractero
caraffa
carage
carat
carcel unit
carga
carga de papa
cargo
carguilla
carica
caritas [Medieval Latin]
cark
carload
carma
carnaco
carnegie unit
carnock
caroteel
carrara
carrata
carreau de terre
carretada
carro
carucate
carvee
case
cash
cass
cassaba
castellana
castellano
castilla
catal
catasta [Italian]
cate
cato
catty
cavadura
cavan
cavezzo
cawnie
caxtolmapan [Nahuatl]
cäyäwleneñ könlek yulı
cecemmacpalli [Nahuatl]
ceciyacatl [Nahuatl]
celemín
celo
celsius heat unit
Celsius scale of temperature
cemacolli [Nahuatl]
cemacuahuitl [Nahuatl]
cemixcolli [Nahuatl]
cemiztitl [Nahuatl]
cemmacpalli [Nahuatl]
cemmahpilli [Nahuatl]
cemmatl [Nahuatl]
cemmatzotzopaztli [Nahuatl]
cemmecatl [Nahuatl]
cemmitl [Nahuatl]
cemmolicpitl [Nahuatl]
cempohualmatl [Nahuatl]
cenciácatl [Nahuatl]
cenciyacatl [Nahuatl]
cencuauhacalli [Nahuatl]
cencuauhxomahtli [Nahuatl]
cennetlaloliztli [Nahuatl]
cennequetzalli [Nahuatl]
cent
cental
centesimal minute
centesimal second
centi- (an SI prefix)
centiare
centigrade heat unit
centigrade scale of temperature
centiMcClintock
centimeter
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
centimorgan
centinajo
centipoise
centistokes
centlachipinilli [Nahuatl]
centlacotl [Nahuatl]
centlacxitl [Nahuatl]
centlanahuatectli [Nahuatl]
centlamapictli [Nahuatl]
centner
centzontecomatl [Nahuatl]
cenxomahtli [Nahuatl]
cenyollotli [Nahuatl]
çerik
cerip
cesto
ceston
cetane number
CGPM (an acronym)
cha 치 / 촌
chaca
chacuro
chahur [Marathi, चाहूर ]
chai vai
chain
engineers' chain
Gunter's chain
Ramden's chain
Rathborn chain
chajclamanca
chákhaṇḍ [Oriya, ଚାଖଣ୍ଡ଼ ]
cha-k’hyis
chalamanca
chalder
chaldron
cham am
chan
chanak
chang
chapah
charac
charak
charge
chariot
charka [Russian, чарка]
charrière
charruba
chast [Russian, часть]
chatoḳ [Malay]
chatta
chattak
chauthia
chavile
chavukálu
chawal
chawar
che
check
chee
cheh
chela
cheme
chenica
cheong
chet
chetverik [Russian, четверик]
chetvert [Russian, четверть]
chetvertinka [Russian, четвертинка]
cheung
cheval-heure
cheval vapeur [French]
chhela
chi 尺
chia
chico
chicuematl [Nahuatl]
chien
ch'ien
chih
chilla
chilo
chin
chinanta
ching
ch'ing
chipa
chipata
chipeno
chipten
chiquihuite
chisteto
chittack
chivo
chkalik [Russian, шкалик]
cho 丁, 町
choadany
chochocol
choinix
chok
chokche
chomer [Hebrew, חֹ֫מֶר]
chon
chong
choore
choon
chopine
chotana
chotela
chous [Greek, χοϋς ]
chum
chung
chungah
chungbo
chüo
chupa
chupah
chupak [Malay]
churap
churl
cicero
çiftlik
CIPM (an acronym)
circular mil
civadier
civadière
ciyacatl
Clark degree
clau
claus
cleaning unit
clo
clout
clove
clusec
cochlear
CODATA (an acronym)
codo
cogno
coherent
colaga
collo
collonda
collothum
collum
colonial gros
color temperature
colote
Committee on Data for Science and Technology
conca
concha [Greek]
conchum
condorim
congius
contada [Spanish]
contagah
coomb
copa
copelo
coppia
coppo
corba
corbula
corbyn
cord
corda
corde
cordel
cordelada
corf
corge
corgee
corney
Cornish acre
Cornish bushel
corrada
corta
cortana
cos
coss
costal
cotta
cottah
cotyle
coulomb
international coulomb
count , a measure of worsted wool yarn
coupe
courd
cova
covid
côvado
covido
coyan
crab
crake
cran
crannock , crannoc
crazia
CRI
criadero de ganado mayor
criadero de ganado menor
crinal
criori
crith
crocodile
cropp
crown
crynog
cseber
cuadra
cuadro
cuarta
cuartal
cuartán
cuartera
cuarterada
cuarterola
cuarterón
cuartilla
cuartillo
cuarto
cuauhacalli [Nahuatl]
cuauhacaltontli [Nahuatl]
cuauhmecatl [Nahuatl]
cubem
cubi
cubit
cubito
cuch
cucharadita
cuchera
cuchu
cuddy
cuenta
cuerda
cullingey
cullishigay
cun
Cunningham acre
cuo
cup
curie
curnock
cuse
cut
cutra
cuttra
cwierc
cyathus
cyfelin
Cyprus litre
cyvar
D
E
F
G
H
I
J
K
kâ
kaan
kabak [Turkish]
kabbelængde
kabiet
kabong [Malay]
kachwansi
kad
kadne
kæde
kærv
kafiz
kagkellou
kaili-
kaima
kaki [Malay]
kal 1. [English] 2. [Malay]
kalasi
kali
kala
kalkaan
kam meu
kamian
kan 貫
kanan
kanda [Swahili]
kande
kandi
kanee
kani
kanş [Turkish]
kanna
kanne
kanneh [Hebrew, קבה ]
kannu
kantang
kantar
kanti
kantje
kanwa
kapp
kapp line
kappa
kappe
kappland
kara
karancha
karat
kard
kariş
karna
karsha
karta
kartoċċ
kartos
karui
karum
kasa
kasm
kaspu
kassabah
kassabé
katal
katam
katastarsko jutro
Katasterjück
kathi
kati
katik
kattha [Nepali, कठ्ठा]
kav [Hebrew, קכ ]
kavan
kaylajah [Arabic]
kayser
kayu [Malay]
kcupmo
ke
keddah
kedet
keila
kejla
kela
keleh
kelvin
ken 間
kend
kěnděri [Malay]
kenning
kentênarion
kerad kamel
kerât
kereḳ [Malay]
kette
kettle
keu
keun
keup
keuwe
khada
khagālo [Nepali, खगालो ]
khalsi
khaphăjŭt
khardal
khănẵt [Thai, ขนัด ]
khandi
khankhar
khar
kharár
khari
kharrouba
kharvar
kharwar
khashkhas
khat
khấu
khedem
khel
khet
khluon chay
khord
khorilda [Mongolian]
khou
khubi
khvat
khwe
khwet
kibaba [Swahili]
kibin
kid
kikkar [Hebrew, כִּכָּר ]
kil [Turkish]
kilah
kilan
kilào
kilates
kilderkin
kile
kilè
kilo- (an SI prefix)
kilofoot
kilofors
kilogram
kilogram force
kilogram-molecule
kilohyl
kilopond
kin 斤
kine
King-Armstrong unit
kintar
kip
kippunta [Finnish]
kirat
ḳirba
kirobo
kish
kishon
kit
kıtmir
kiver
kiyas
kiye
klæde
klafter
kloc
klom
knippe
knitch
knot
knuckle
kod [Turkish]
kodi
koelak
koilon
koilu
koku 石
koonza [Burmese]
kole
kolläst
koltunna
kolwen
komma-ichi-da
kon
kondylos
kop
kopa
kopo
kor [Hebrew,כֹּר]
kordofan mukhamas
korec
koriya [Malay]
korja [Swahili]
kornskeppa [Icelandic]
korntönde
korntop maal [Norwegian]
korntunna [Icelandic]
korooh [Farsi]
koros [Greek, κόρους ]
korrel
kortob
kortteli [Finnish]
korzec
kos
kosh
kot
kothaa [Assamese, কঠা]
kottai
kotyle [Greek, κοτύλη ]
kouza
koyan
koyang
krâp sran
kramet
krina [Bulgarian, крина]
kroh
krouchka [Russian, кружка]
Krug
Krügel
kuba
kubikilometerseter
kuchchela
kuda
kudabigha
kudava
kudumbam
kujira shaku bu [Japanese]
kujira shaku jo [Japanese]
kujira shaku shaku [Japanese]
kujira shaku sun [Japanese]
kuktuwani
kula
kuli
kulaç
kulack
kulba
kulmet
kum kyi
kumbha
kumbhum
kumtu
kunch [Hindi]
kuncha [Malay]
kunchah [Malay]
kunchamu
kung
kung chang
kung chien
kung ch'ih
kung chin
kung ching
kung chu
kung fun
kung hao
kung heng
kung ho
kung ko
kung li'
kung lǐ
kung liang
kung mou
kung ping
kung sheng
kung so
kung szu
kung tan
kung tou
kung tso
kung tsun
kung tun
kung yin
kunna
kunta
kupang [Malay]
kurava
kurgi
kura
kuri
kurru
kurungol
kuruni [Tamil குருணி]
kutu
kvarter
kvint
kvintin
kwai
kwan
kwarta
kwarterka
kwein
kwílaki
kwintal [Polish]
kwiya
kyang kyi
kyangtu
kyat
kyndelmil
kyŏl
kyrve
kýrvöllur
kyynärä [Finnish]
L
L [Linear B, 𐄷 ]
labór
lace
lachsa
Lachter
laden
ladhar
laggi [Bajjika ?]
læg
læs
laest
Lage
lägel
lai
lait
lakh
lakpə [Galo]
lakt
lakter
lamany
la'mbana [Malagasy]
lambda
lambert
lame
lan
łan
lana [Russian, лана]
LANA [Linear B, 𐂝 ]
lanaz
lanca
lancedda
land area
land, seed measures of
Landseil
land-yard
lang
lạng
langley
lap
lar
lasiray
lass
last
lastre
lata
latro
latta
laup
laxar
lazo
lẻ
lea
league
leaguer
leap
legana
legger
legoa
legua
lei
Leinsaattonne [German]
leiviskä
lèkhà
lělah [Malay]
lelong [Malay]
leng [Malay]
lenz
lest
lethekh
letpund
leuca
leung
li
li (Korea, Southeast Asia, Mongolia)
lǐ (lei5) [Chinese, 里]
lí (lei4) [Chinese, 厘 ] = 1/100
li'
lĭ
li fan fen mi
li fan hao mi
li fan li mi
li fan mi
liang
libbra
libra
lichas [Greek, λιχάς ]
lieue
light-year
ligne
ligula
líkè [Chinese 厘克]
límǐ
[Chinese 厘米]
lin
lina
line
linea
línea
Aegean linear B units of capacity
linha
linhada
linia
linie
liniya [Russian. линия]
linja
linje
link
liño
Lipmann unit
lire
líshēng [Chinese 厘升]
lispound
lispund
liter
litra [Greek. λίτρα ]
litre
litro
litron
livre
livre americaine
LLD unit
llestraid
load
loan
loang
locha [Assamese. েলাচা ]
lod
lodd
lof
lofstelle
log [Hebrew, לֹג]
logel
loka
loket
lokiec
lood
loofstelle
lop
löqamats
loso
lot [Russian. лот]
loth
lotti
loxa
lug
lugeon
lumen
lumerg
luoti
lusec
lux
ly
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
close
Sorry. No information on contributors is available for this page.