Diego Berrueta and Luis Polo
2008
(c) MyMobileWeb project, 2008
Based on the UCUM data (c) Gunther Schadow, Clement J. McDonald, 2005
The instances of this ontology have been automatically
generated from the UCUM (The Unified Code for Units of Measure).
See http://aurora.rg.iupui.edu/UCUM/ for more details
on UCUM. The members of the MyMobileWeb consortium
explicitly acknowledge the copyright of the data from
the UCUM ontology.
This is a self-hosted and temporary copy of the UCUM ontology,
since the original UCUM ontology is not reachable anymore
(http://purl.oclc.org/NET/muo/ucum/).
Units of measurement ontology
The Unified Code for Units of Measure (UCUM)
Gunther Schadow, Clement J. McDonald
length
time
mass
plane angle
temperature
electric charge
luminous intensity
number
fraction
amount of substance
solid angle
frequency
force
pressure
energy
power
electric current
electric potential
electric capacitance
electric resistance
electric conductance
magentic flux
magnetic flux density
inductance
luminous flux
illuminance
radioactivity
energy dose
dose equivalent
volume
area
velocity
action
(unclassified)
electric permittivity
magnetic permeability
acceleration
lineic number
dynamic viscosity
kinematic viscosity
flux of magnetic induction
magnetic field intensity
magnetic tension
lum. intensity density
brightness
ion dose
depth of water
height of horses
fluid volume
dry volume
fluid resistance
refraction of a lens
gauge of catheters
x-ray attenuation
metabolic cost of physical activity
homeopathic potency
acidity
mass fraction
sedimentation coefficient
view area in microscope
catalytic activity
arbitrary
biologic activity of anticardiolipin IgG
biologic activity of anticardiolipin IgM
biologic activity of anticardiolipin IgA
biologic activity of factor VIII inhibitor
biologic activity antistreptolysin O
biologic activity of amylase
biologic activity of phosphatase
arbitrary biologic activity
biologic activity of tuberculin
level
pressure level
electric potential level
power level
action area
amount of information
signal transmission rate
yotta
1e24
Y
Y
YA
zetta
1e21
Z
Z
ZA
exa
1e18
E
E
EX
peta
1e15
P
P
PT
tera
1e12
T
T
TR
giga
1e9
G
G
GA
mega
1e6
M
M
MA
kilo
1e3
k
k
K
hecto
1e2
h
h
H
deka
1e1
da
da
DA
deci
1e-1
d
d
D
centi
1e-2
c
c
C
milli
1e-3
m
m
M
micro
1e-6
μ
u
U
nano
1e-9
n
n
N
pico
1e-12
p
p
P
femto
1e-15
f
f
F
atto
1e-18
a
a
A
zepto
1e-21
z
z
ZO
yocto
1e-24
y
y
YO
kibi
1024
Ki
Ki
KIB
mebi
1048576
Mi
Mi
MIB
gibi
1073741824
Gi
Gi
GIB
tebi
1099511627776
Ti
Ti
TIB
meter
m
m
M
second
s
s
S
gram
g
g
G
radian
rad
rad
RAD
Kelvin
K
K
K
Coulomb
C
C
C
candela
cd
cd
CD
the number ten for arbitrary powers
10n
10*
10*
the number ten for arbitrary powers
10n
10^
10^
the number pi
π
[pi]
[PI]
percent
%
%
%
parts per thousand
ppth
[ppth]
[PPTH]
parts per million
ppm
[ppm]
[PPM]
parts per billion
ppb
[ppb]
[PPB]
parts per trillion
pptr
[pptr]
[PPTR]
mole
mol
mol
MOL
streadian
sr
sr
SR
Herz
Hz
Hz
HZ
Newton
N
N
N
Pascal
Pa
Pa
PAL
Joule
J
J
J
Watt
W
W
W
Ampère
A
A
A
Volt
V
V
V
Farad
F
F
F
Ohm
Ω
Ohm
OHM
Siemens
S
S
SIE
Weber
Wb
Wb
WB
degree Celsius
°C
Cel
CEL
Tesla
T
T
T
Henry
H
H
H
lumen
lm
lm
LM
lux
lx
lx
LX
Becquerel
Bq
Bq
BQ
Gray
Gy
Gy
GY
Sievert
Sv
Sv
SV
gon
grade
□g
gon
GON
degree
°
deg
DEG
minute
'
'
'
second
''
''
''
liter
l
l
L
liter
L
L
are
a
ar
AR
minute
min
min
MIN
hour
h
h
HR
day
d
d
D
tropical year
at
a_t
ANN_T
mean Julian year
aj
a_j
ANN_J
mean Gregorian year
ag
a_g
ANN_G
year
a
a
ANN
week
wk
wk
WK
synodal month
mos
mo_s
MO_S
mean Julian month
moj
mo_j
MO_J
mean Gregorian month
mog
mo_g
MO_G
month
mo
mo
MO
tonne
t
t
TNE
bar
bar
bar
BAR
unified atomic mass unit
u
u
AMU
electronvolt
eV
eV
EV
astronomic unit
AU
AU
ASU
parsec
pc
pc
PRS
velocity of light
c
[c]
[C]
Planck constant
h
[h]
[H]
Boltzmann constant
k
[k]
[K]
permittivity of vacuum
ε
0
[eps_0]
[eps_0]
permeability of vacuum
μ
0
[mu_0]
[mu_0]
elementary charge
e
[e]
[E]
electron mass
m
e
[m_e]
[M_E]
proton mass
m
p
[m_p]
[M_P]
Newtonian constant of gravitation
G
[G]
[GC]
standard acceleration of free fall
gn
[g]
[G]
standard atmosphere
atm
atm
ATM
light-year
l.y.
[ly]
[LY]
gram-force
gf
gf
GF
pound force
lbf
[lbf_av]
[LBF_AV]
Kayser
K
Ky
KY
Gal
Gal
Gal
GL
dyne
dyn
dyn
DYN
erg
erg
erg
ERG
Poise
P
P
P
Biot
Bi
Bi
BI
Stokes
St
St
ST
Maxwell
Mx
Mx
MX
Gauss
Gs
G
G
GS
Oersted
Oe
Oe
OE
Gilbert
Gb
Gb
GB
stilb
sb
sb
SB
Lambert
L
Lmb
LMB
phot
ph
ph
PHT
Curie
Ci
Ci
CI
Roentgen
R
R
ROE
radiation absorbed dose
RAD
RAD
[RAD]
radiation equivalent man
REM
REM
[REM]
inch
in
''
[in_i]
[IN_I]
foot
ft
'
[ft_i]
[FT_I]
yard
yd
[yd_i]
[YD_I]
statute mile
mi
[mi_i]
[MI_I]
fathom
fth
[fth_i]
[FTH_I]
nautic mile
n.mi
[nmi_i]
[NMI_I]
knot
knot
[kn_i]
[KN_I]
square inch
[sin_i]
[SIN_I]
square foot
[sft_i]
[SFT_I]
square yard
[syd_i]
[SYD_I]
cubic inch
[cin_i]
[CIN_I]
cubic foot
[cft_i]
[CFT_I]
cubic yard
cu.yd
[cyd_i]
[CYD_I]
board foot
[bf_i]
[BF_I]
cord
[cr_i]
[CR_I]
mil
mil
[mil_i]
[MIL_I]
circular mil
circ.mil
[cml_i]
[CML_I]
hand
hd
[hd_i]
[HD_I]
foot
ftus
[ft_us]
[FT_US]
yard
[yd_us]
[YD_US]
inch
[in_us]
[IN_US]
rod
[rd_us]
[RD_US]
Gunter's chain
Surveyor's chain
[ch_us]
[CH_US]
link for Gunter's chain
[lk_us]
[LK_US]
Ramden's chain
Engineer's chain
[rch_us]
[RCH_US]
link for Ramden's chain
[rlk_us]
[RLK_US]
fathom
[fth_us]
[FTH_US]
furlong
[fur_us]
[FUR_US]
mile
[mi_us]
[MI_US]
acre
[acr_us]
[ACR_US]
square rod
[srd_us]
[SRD_US]
square mile
[smi_us]
[SMI_US]
section
[sct]
[SCT]
township
[twp]
[TWP]
mil
[mil_us]
[MIL_US]
inch
[in_br]
[IN_BR]
foot
[ft_br]
[FT_BR]
rod
[rd_br]
[RD_BR]
Gunter's chain
[ch_br]
[CH_BR]
link for Gunter's chain
[lk_br]
[LK_BR]
fathom
[fth_br]
[FTH_BR]
pace
[pc_br]
[PC_BR]
yard
[yd_br]
[YD_BR]
mile
[mi_br]
[MI_BR]
nautic mile
[nmi_br]
[NMI_BR]
knot
[kn_br]
[KN_BR]
acre
[acr_br]
[ACR_BR]
Queen Anne's wine gallon
[gal_us]
[GAL_US]
barrel
[bbl_us]
[BBL_US]
quart
[qt_us]
[QT_US]
pint
[pt_us]
[PT_US]
gill
[gil_us]
[GIL_US]
fluid ounce
oz fl
[foz_us]
[FOZ_US]
fluid dram
[fdr_us]
[FDR_US]
minim
[min_us]
[MIN_US]
cord
[crd_us]
[CRD_US]
bushel
[bu_us]
[BU_US]
historical winchester gallon
[gal_wi]
[GAL_WI]
peck
[pk_us]
[PK_US]
dry quart
[dqt_us]
[DQT_US]
dry pint
[dpt_us]
[DPT_US]
tablespoon
[tbs_us]
[TBS_US]
teaspoon
[tsp_us]
[TSP_US]
cup
[cup_us]
[CUP_US]
gallon
[gal_br]
[GAL_BR]
peck
[pk_br]
[PK_BR]
bushel
[bu_br]
[BU_BR]
quart
[qt_br]
[QT_BR]
pint
[pt_br]
[PT_BR]
gill
[gil_br]
[GIL_BR]
fluid ounce
[foz_br]
[FOZ_BR]
fluid dram
[fdr_br]
[FDR_BR]
minim
[min_br]
[MIN_BR]
grain
[gr]
[GR]
pound
lb
[lb_av]
[LB_AV]
ounce
oz
[oz_av]
[OZ_AV]
dram
[dr_av]
[DR_AV]
short hundredweight
U.S. hundredweight
[scwt_av]
[SCWT_AV]
long hunderdweight
British hundredweight
[lcwt_av]
[LCWT_AV]
short ton
U.S. ton
[ston_av]
[STON_AV]
long ton
British ton
[lton_av]
[LTON_AV]
stone
British stone
[stone_av]
[STONE_AV]
pennyweight
[pwt_tr]
[PWT_TR]
ounce
[oz_tr]
[OZ_TR]
pound
[lb_tr]
[LB_TR]
scruple
[sc_ap]
[SC_AP]
dram
drachm
[dr_ap]
[DR_AP]
ounce
[oz_ap]
[OZ_AP]
pound
[lb_ap]
[LB_AP]
line
[lne]
[LNE]
point
[pnt]
[PNT]
pica
[pca]
[PCA]
Printer's point
[pnt_pr]
[PNT_PR]
Printer's pica
[pca_pr]
[PCA_PR]
pied
French foot
[pied]
[PIED]
pouce
French inch
[pouce]
[POUCE]
ligne
French line
[ligne]
[LIGNE]
didot
Didot's point
[didot]
[DIDOT]
cicero
Didot's pica
[cicero]
[CICERO]
degree Fahrenheit
°F
[degF]
[DEGF]
calorie at 15 °C
cal15°C
cal_[15]
CAL_[15]
calorie at 20 °C
cal20°C
cal_[20]
CAL_[20]
mean calorie
calm
cal_m
CAL_M
international table calorie
calIT
cal_IT
CAL_IT
thermochemical calorie
calth
cal_th
CAL_TH
calorie
cal
cal
CAL
nutrition label Calories
Cal
[Cal]
[CAL]
British thermal unit at 39 °F
Btu39°F
[Btu_39]
[BTU_39]
British thermal unit at 59 °F
Btu59°F
[Btu_59]
[BTU_59]
British thermal unit at 60 °F
Btu60°F
[Btu_60]
[BTU_60]
mean British thermal unit
Btum
[Btu_m]
[BTU_M]
international table British thermal unit
BtuIT
[Btu_IT]
[BTU_IT]
thermochemical British thermal unit
Btuth
[Btu_th]
[BTU_TH]
British thermal unit
btu
[Btu]
[BTU]
horsepower
[HP]
[HP]
meter of water column
m H
2
O
m[H2O]
M[H2O]
meter of mercury column
m Hg
m[Hg]
M[HG]
inch of water column
in H
2
O
[in_i'H2O]
[IN_I'H2O]
inch of mercury column
in Hg
[in_i'Hg]
[IN_i'HG]
peripheral vascular resistance unit
P.R.U.
[PRU]
[PRU]
diopter
dpt
[diop]
[DIOP]
mesh
[mesh_i]
[MESH_I]
Charrière
french
Ch
[Ch]
[CH]
drop
drp
[drp]
[DRP]
Hounsfield unit
HF
[hnsf'U]
[HNSF'U]
metabolic equivalent
MET
[MET]
[MET]
homeopathic potency of decimal series
X
[hp_X]
[HP_X]
homeopathic potency of centesimal series
C
[hp_C]
[HP_C]
equivalents
eq
eq
EQ
osmole of dissolved particles
osm
osm
OSM
pH
pH
[pH]
[PH]
gram percent
g%
g%
G%
Svedberg unit
S
[S]
[S]
high power field
HPF
[HPF]
[HPF]
low power field
LPF
[LPF]
[LPF]
katal
kat
kat
KAT
Unit
U
U
U
international unit
i.U.
[iU]
[IU]
arbitary unit
arb. U
[arb'U]
[ARB'U]
United States Pharmacopeia unit
U.S.P.
[USP'U]
[USP'U]
GPL unit
[GPL'U]
[GPL'U]
MPL unit
[MPL'U]
[MPL'U]
APL unit
[APL'U]
[APL'U]
Bethesda unit
[beth'U]
[BETH'U]
Todd unit
[todd'U]
[TODD'U]
Dye unit
[dye'U]
[DYE'U]
Somogyi unit
[smgy'U]
[SMGY'U]
Bodansky unit
[bdsk'U]
[BDSK'U]
King-Armstrong unit
[ka'U]
[KA'U]
Kunkel unit
[knk'U]
[KNK'U]
Mac Lagan unit
[mclg'U]
[MCLG'U]
tuberculin unit
[tb'U]
[TB'U]
neper
Np
Np
NEP
bel
B
B
B
bel sound pressure
B(SPL)
B[SPL]
B[SPL]
bel volt
B(V)
B[V]
B[V]
bel millivolt
B(mV)
B[mV]
B[MV]
bel microvolt
B(μV)
B[uV]
B[UV]
bel watt
B(W)
B[W]
B[W]
bel kilowatt
B(kW)
B[kW]
B[KW]
stere
st
st
STR
Ångström
Å
Ao
AO
barn
b
b
BRN
technical atmosphere
at
att
ATT
mho
mho
mho
MHO
pound per sqare inch
psi
[psi]
[PSI]
circle
circ
circ
CIRC
spere
sph
sph
SPH
metric carat
ctm
[car_m]
[CAR_M]
carat of gold alloys
ct
Au
[car_Au]
[CAR_AU]
bit
bits
bit_s
BIT_S
bit
bit
bit
BIT
byte
B
By
BY
baud
Bd
Bd
Bd