symbols, acronyms & abbreviations

index for unit symbols

This index includes unit symbols, English abbreviations for units and related acronyms. It does not include symbols for quantities. For example, the symbol "A" for ampere is here, but the symbol "I" for electric current is not.

A–D

a

A

Å

aA

abA

abΩ

abΩ-1

ab

abH

aBq

abT

abV

aC

acd

aF

ag

aGy

Ah

aH

aHz

aJ

aK

akat

al

aL

alm

alx

am

amol

amp

aN

aPa

as

aS

asb

aSv

at

aT

atm

AU

aV

aW

aWb

b

B

bar

bbl

Bd

Bi

Bq

Btu

BtuIT

Btuth

bu

c

C

cA

cal

calIT

calth

cBq

cc

cC

ccd

cd

cda

cF

cfm

cg

cGy

cH

cHz

Ci

cJ

cK

ckat

cl

cL

clm

clx

cm

cmil

cmol

cN

cP

cPa

cps

cs

cS

cSt

cSv

cT

ctl

cV

cW

cWb

cwt

d

daA

daBq

daC

dacd

daF

dag

daGy

daH

daHz

daJ

daK

dakat

dal

daL

dalm

dam

damol

daN

daΩ

daPa

das

daS

daSv

daT

daV

daW

daWb

dA

dB

dBq

dC

dcd

deg

dF

DFE

dg

dGy

dH

dHz

dJ

dK

dkat

dl

dL

dlm

dlx

dm

dmol

dN

dPa

dr

dr ap

ds

dS

dSv

dT

dV

dW

dWb

dwt

dyn

E–K

E

EA

EBq

EC

Ecd

EF

Eg

EGy

EH

EHz

Eib

EiB

EJ

EK

Ekat

El

EL

Elm

Elx

Em

Emol

EN

EPa

erg

Es

ES

ESv

ET

EV

eV

EW

EWb

F

fA

fBq

fc

fC

fcd

fF

fg

fGy

fH

fHz

fJ

fK

fkat

fl

fl dr

fL

flm

fl oz

flx

fm

fmol

fN

fPa

Fr

fs

fS

fSv

ft

ftH20

fT

fV

fW

fWb

g

GA

gal

Gal

Gb

GB

GBq

GC

Gcd

GeV

GF

Gg

GGy

GH

GHz

gi

Gib

GiB

GJ

GK

Gkat

Gl

GL

Glm

Glx

gm

Gm

Gmol

GN

GPa

gr

Gs

GS

GSv

GT

gtt

GV

GW

GWb

Gy

G

h

H

ha

hA

hart

hBq

hC

hcd

hF

hg

hGy

hH

hHz

hJ

hK

hkat

hl

hL

hlm

hlx

hm

hmol

hN

hp

hPa

hs

hS

hSV

hT

hV

hW

hWb

Hz

IBU

in

inHg

inH20

iph

J

Jy

K

kA

kat

kb

kBq

kC

kcal

kcd

kF

kft Kft

kg

kG

kgf

kGy

kH

kHz

KiB

kJ

kK

kkat

kl

kL

klbf

klm

klx

km

kmol

kn

kN

kp

kPa

ks

kS

kSv

kT

kV

kVA

kvar

kW

kWb

kWh

L–P

L

La

lb

lb tr

lbf

lm

L

lx

m

M

mA

MA

mb

Mb

MB

mbar

mBq

MBq

mC

MC

MCM

mcd

Mcd

mF

MF

mg

mGal

Mg

mGy

MGy

mH

MH

mHz

MHz

mi

mil

min

mJ

MJ

mK

MK

mkat

Mkat

ml

Ml

mL

ML

mlm

Mlm

mlx

Mlx

mm

mmHg

mmH2O

Mm

mN

MN

mmol

Mmol

mΩ

mol

mPa

MPa

ms

Ms

mS

MS

mSv

MSv

mT

MT

mV

MV

mW

MW

mWb

MWb

MWe

MWt

MWth

Mx

N

nA

nBq

nC

ncd

nF

ng

nGy

nH

nHz

nJ

nK

nkat

nl

nL

nlm

nlx

nm

NM

nmol

nN

Np

nPa

ns

nS

nSv

nT

nV

nW

nWb

Oe

oz

oz ap

oz apoth

oz t

oz tr

P

pA

Pa

pBq

PBq

pc

pC

PC

pcd

Pcd

pdl

pF

PF

pg

Pg

pGy

PGy

ph

pH

PH

pHz

PHz

pJ

PJ

pK

PK

pkat

Pkat

pl

Pl

pL

PL

plm

Plm

plx

Plx

pm

Pm

pmol

Pmol

pN

PN

pPa

PPa

ppb

ppm

ps

Ps

pS

PS

psi

psia

psig

pSv

PSv

pt

pT

PT

pV

PV

pW

PW

pWb

PWb

pz

Q–X

qt

r

R

rad

Rd

rd

rem

rev

rpm

s

S

sA

sb

sC

sF

sh cwt

sh tn

sH

Sh

slug

sn

S

sr

sS

st

St

sV

Sv

SWU

t

T

TA

TBq

tbsp

TC

Tcd

TF

Tg

TGy

th

TH

thm

THz

TJ

TK

Tkat

Tl

TL

Tlm

Tlx

Tm

Tmol

TN

ton

TPa

Ts

TS

tsp

TSv

TT

TV

TW

TWb

u

ua

U

V

VA

W

Wb

xu

yA

YA

yBq

YBq

yC

YC

ycd

Ycd

yd

yF

YF

yg

Yg

yGy

YGy

yH

YH

yHz

YHz

yJ

YJ

yK

YK

ykat

Ykat

yl

yL

Yl

YL

ylm

Ylm

Ylx

Ym

ymol

Ymol

yN

YN

ylm

ylx

ym

yPa

YPa

yr

ys

Ys

yS

YS

ySv

YSv

yT

YT

yV

YV

yW

YW

yWb

YWb

zA

ZA

zBq

ZBq

zC

ZC

zcd

Zcd

zF

ZF

zg

Zg

zGy

ZGy

zH

ZH

zHz

ZHz

zJ

ZJ

zK

ZK

zkat

Zkat

zl

Zl

zL

ZL

zlm

Zlm

zlx

Zlx

zm

Zm

zmol

Zmol

zN

ZN

zPa

ZPa

zs

Zs

zS

ZS

zSv

ZSv

zT

ZT

zV

ZV

zW

ZW

zWb

ZWb 

 

Greek

Ω

µA

µBq

µC

µcd

µF

µg

µGy

µH

µHz

µin

µJ

µK

µkat

µl

µL

µlm

µlx

µm

µmol

µN

µΩ

µPa

µs

µS

µSv

µT

µV

µW

µWb

Other

°C

°F

°R

symbol for scruple

dram symbol

@

upside down omega character

ounce symbol

pound symbol