All Unit Symbols

Complete list of every symbol registered in quantia, grouped by physical quantity. Use these exact strings in qu.Q(), .to(), and distribution factories.

† Affine unit (has offset — temperature or gauge pressure).

Absorbed Dose

Symbol	Name	SI unit	Factor to SI
Gy	gray	Gy	1

Amount

Symbol	Name	SI unit	Factor to SI
mmol	millimole	mol	0.001
mol	mole	mol	1
nmol	nanomole	mol	1e-09
umol	micromole	mol	1e-06
µmol	micromole	mol	1e-06

Angle

Symbol	Name	SI unit	Factor to SI
arcmin	arcminute	rad	0.000290888
arcsec	arcsecond	rad	4.84814e-06
deg	degree	rad	0.0174533
rad	radian	rad	1
°	degree	rad	0.0174533
′	arcminute	rad	0.000290888
″	arcsecond	rad	4.84814e-06

Angular Acceleration

Symbol	Name	SI unit	Factor to SI
rad/s2	radian per second squared	rad/s2	1

Angular Velocity

Symbol	Name	SI unit	Factor to SI
rad/s	radian per second	rad/s	1
rpm	revolution per minute	rad/s	0.10472

Api Gravity

Symbol	Name	SI unit	Factor to SI
°API	API gravity	1	1

Area

Symbol	Name	SI unit	Factor to SI
acre	acre	m^2	4046.87
ft2	square foot	m^2	0.092903
ha	hectare	m^2	10000
in2	square inch	m^2	0.00064516
m2	square metre	m^2	1
mi2	square mile	m^2	2.58999e+06
yd2	square yard	m^2	0.836127

Capacitance

Symbol	Name	SI unit	Factor to SI
F	farad	F	1
mF	millifarad	F	0.001
nF	nanofarad	F	1e-09
pF	picofarad	F	1e-12
uF	microfarad	F	1e-06
µF	microfarad	F	1e-06

Catalytic Activity

Symbol	Name	SI unit	Factor to SI
kat	katal	kat	1

Current

Symbol	Name	SI unit	Factor to SI
A	ampere	A	1
mA	milliampere	A	0.001
nA	nanoampere	A	1e-09
uA	microampere	A	1e-06
µA	microampere	A	1e-06

Data

Symbol	Name	SI unit	Factor to SI
B	byte	B	1
bit	bit	B	0.125
GB	gigabyte	B	1.07374e+09
KB	kilobyte	B	1024
MB	megabyte	B	1.04858e+06
TB	terabyte	B	1.09951e+12

Dimensionless

Symbol	Name	SI unit	Factor to SI
1	dimensionless	1	1

Dose Equivalent

Symbol	Name	SI unit	Factor to SI
Sv	sievert	Sv	1

Dynamic Viscosity

Symbol	Name	SI unit	Factor to SI
cP	centipoise	Pa_s	0.001
mPa_s	millipascal second	Pa_s	0.001
P	poise	Pa_s	0.1
Pa_s	pascal second	Pa_s	1

Electric Charge

Symbol	Name	SI unit	Factor to SI
A_h	ampere-hour	C	3600
C	coulomb	C	1

Electric Conductance

Symbol	Name	SI unit	Factor to SI
S	siemens	S	1

Energy

Symbol	Name	SI unit	Factor to SI
BOE	barrel of oil equivalent	J	6.117e+09
BTU_IT	British thermal unit (International Table)	J	1055.06
BTU_th	British thermal unit (thermochemical)	J	1054.35
cal_IT	calorie (International Table)	J	4.1868
cal_th	calorie (thermochemical)	J	4.184
erg	erg	J	1e-07
eV	electronvolt	J	1.60218e-19
ft_lbf	foot pound-force	J	1.35582
GJ	gigajoule	J	1e+09
J	joule	J	1
kcal_IT	kilocalorie (International Table)	J	4186.8
kcal_th	kilocalorie (thermochemical)	J	4184
kJ	kilojoule	J	1000
kWh	kilowatt-hour	J	3.6e+06
Mcfe	thousand cubic feet equivalent	J	1.05506e+09
MJ	megajoule	J	1e+06
MMBtu	million BTU (IT)	J	1.05506e+09
therm_EC	therm (EC)	J	1.05506e+08
therm_US	therm (US)	J	1.0548e+08
toe	tonne of oil equivalent	J	4.1868e+10
Wh	watt-hour	J	3600

Flow Rate

Symbol	Name	SI unit	Factor to SI
bbl/day	barrels per day	m^3/s	1.84013e-06
bbl/h	barrels per hour	m^3/s	4.41631e-05
BLPD	barrels of liquid per day	m^3/s	1.84013e-06
Bscf/day	billion scf per day	m^3/s	327.741
gal/min	US gallons per minute	m^3/s	6.30902e-05
k(m3)/day	thousand cubic metres per day	m^3/s	0.0115741
L/s	litres per second	m^3/s	0.001
m3/day	cubic metres per day	m^3/s	1.15741e-05
m3/h	cubic metres per hour	m^3/s	0.000277778
Mbbl/day	thousand barrels per day	m^3/s	0.00184013
MMbbl/day	million barrels per day	m^3/s	1.84013
MMm3/day	million cubic metres per day	m^3/s	11.5741
MMscf/day	million scf per day	m^3/s	0.327741
Mscf/day	thousand scf per day	m^3/s	0.000327741

Force

Symbol	Name	SI unit	Factor to SI
dyn	dyne	N	1e-05
kgf	kilogram-force	N	9.80665
kip	kip (1000 lbf)	N	4448.22
kN	kilonewton	N	1000
lbf	pound-force	N	4.44822
MN	meganewton	N	1e+06
mN	millinewton	N	0.001
N	newton	N	1
ozf	ounce-force	N	0.278014
pdl	poundal	N	0.138255
uN	micronewton	N	1e-06
µN	micronewton	N	1e-06

Frequency

Symbol	Name	SI unit	Factor to SI
GHz	gigahertz	Hz	1e+09
Hz	hertz	Hz	1
kHz	kilohertz	Hz	1000
MHz	megahertz	Hz	1e+06
THz	terahertz	Hz	1e+12

Gas Volume

Symbol	Name	SI unit	Factor to SI
Bscf	billion standard cu ft	m^3	2.83168e+07
MMscf	million standard cu ft	m^3	28316.8
Mscf	thousand standard cu ft	m^3	28.3168
scf	standard cubic foot	m^3	0.0283168
Tscf	trillion standard cu ft	m^3	2.83168e+10

Gas Volume Reservoir

Symbol	Name	SI unit	Factor to SI
Mcf_res	thousand standard cu ft [reservoir]	m^3	28.3168

Gas Volume Separator

Symbol	Name	SI unit	Factor to SI
Mcf_sep	thousand standard cu ft [separator]	m^3	28.3168

Heat Capacity

Symbol	Name	SI unit	Factor to SI
J/K	joule per kelvin	J/K	1

Heat Flux Density

Symbol	Name	SI unit	Factor to SI
W/m2	watt per square metre	W/m2	1

Illuminance

Symbol	Name	SI unit	Factor to SI
lx	lux	lx	1

Inductance

Symbol	Name	SI unit	Factor to SI
H	henry	H	1
mH	millihenry	H	0.001
nH	nanohenry	H	1e-09
uH	microhenry	H	1e-06
µH	microhenry	H	1e-06

Kinematic Viscosity

Symbol	Name	SI unit	Factor to SI
cSt	centistokes	m^2/s	1e-06
ft2/s	square foot per second	m^2/s	0.092903
m2/s	square metre per second	m^2/s	1
St	stokes	m^2/s	0.0001

Length

Symbol	Name	SI unit	Factor to SI
cm	centimetre	m	0.01
ft	foot	m	0.3048
in	inch	m	0.0254
km	kilometre	m	1000
ly	light year	m	9.46073e+15
m	metre	m	1
mi	mile	m	1609.34
mil	mil (0.001 inch)	m	2.54e-05
mm	millimetre	m	0.001
nm	nanometre	m	1e-09
nmi	nautical mile	m	1852
um	micrometre	m	1e-06
yd	yard	m	0.9144
Å	ångström	m	1e-10

Length Torque

Symbol	Name	SI unit	Factor to SI
N_m_torque	metre [torque]	m	1

Log Ratio

Symbol	Name	SI unit	Factor to SI
dB	decibel	1	0.115129
Np	neper	1	1

Luminosity

Symbol	Name	SI unit	Factor to SI
cd	candela	cd	1

Luminous Flux

Symbol	Name	SI unit	Factor to SI
lm	lumen	lm	1

Magnetic Flux

Symbol	Name	SI unit	Factor to SI
mWb	milliweber	Wb	0.001
Mx	maxwell	Wb	1e-08
uWb	microweber	Wb	1e-06
Wb	weber	Wb	1
µWb	microweber	Wb	1e-06

Magnetic Flux Density

Symbol	Name	SI unit	Factor to SI
G	gauss	T	0.0001
mT	millitesla	T	0.001
nT	nanotesla	T	1e-09
T	tesla	T	1
uT	microtesla	T	1e-06
µT	microtesla	T	1e-06

Mass

Symbol	Name	SI unit	Factor to SI
Da	dalton	kg	1.66054e-27
g	gram	kg	0.001
gr	grain	kg	6.47989e-05
kg	kilogram	kg	1
lb	pound	kg	0.453592
mg	milligram	kg	1e-06
oz	ounce	kg	0.0283495
slug	slug	kg	14.5939
t	tonne	kg	1000
ton_long	long ton (2240 lb)	kg	1016.05
ton_short	short ton (2000 lb)	kg	907.185

Mass Concentration

Symbol	Name	SI unit	Factor to SI
mg/L	milligram per litre	kg/m^3	0.001
ppb	parts per billion (mass)	kg/m^3	1e-06
ppm	parts per million (mass)	kg/m^3	0.001

Mass Density

Symbol	Name	SI unit	Factor to SI
g/cm3	gram per cubic centimetre	kg/m^3	1000
g/mL	gram per millilitre	kg/m^3	1000
kg/L	kilogram per litre	kg/m^3	1000
lb/ft3	pound per cubic foot	kg/m^3	16.0185
lb/gal	pound per US gallon	kg/m^3	119.826
lb/in3	pound per cubic inch	kg/m^3	27679.9
sg	specific gravity	kg/m^3	1000

Molar Energy

Symbol	Name	SI unit	Factor to SI
J/mol	joule per mole	J/mol	1

Molar Heat Capacity

Symbol	Name	SI unit	Factor to SI
J/mol_K	joule per mole kelvin	J/mol_K	1

Permeability

Symbol	Name	SI unit	Factor to SI
D	darcy	m^2	9.86923e-13
mD	millidarcy	m^2	9.86923e-16
uD	microdarcy	m^2	9.86923e-19
µD	microdarcy	m^2	9.86923e-19

Power

Symbol	Name	SI unit	Factor to SI
BTU_IT/h	BTU (IT) per hour	W	0.293071
GW	gigawatt	W	1e+09
hp	horsepower (550 ft·lbf/s)	W	745.7
kW	kilowatt	W	1000
MW	megawatt	W	1e+06
mW	milliwatt	W	0.001
uW	microwatt	W	1e-06
W	watt	W	1
µW	microwatt	W	1e-06

Pressure

Symbol	Name	SI unit	Factor to SI
atm	standard atmosphere	Pa	101325
bara †	bar (absolute)	Pa	100000
barg †	bar (gauge)	Pa	100000
cmHg	centimetre of mercury (conventional)	Pa	1333.22
ftH2O	foot of water (conventional)	Pa	2989.07
GPa	gigapascal	Pa	1e+09
inH2O	inch of water (conventional)	Pa	249.089
inHg	inch of mercury (conventional)	Pa	3386.39
kg/cm2	kilogram-force per square centimetre	Pa	98066.5
kgf/cm2	kilogram-force per square centimetre	Pa	98066.5
kPa	kilopascal	Pa	1000
ksi	kip per square inch	Pa	6.89476e+06
mbar	millibar	Pa	100
mmHg	millimetre of mercury (conventional)	Pa	133.322
MPa	megapascal	Pa	1e+06
Pa	pascal	Pa	1
psi	pound per square inch	Pa	6894.76
psia †	pound per square inch (absolute)	Pa	6894.76
psig †	pound per square inch (gauge)	Pa	6894.76
torr	torr	Pa	133.322
uPa	micropascal	Pa	1e-06
µPa	micropascal	Pa	1e-06

Radioactivity

Symbol	Name	SI unit	Factor to SI
Bq	becquerel	Hz	1

Resistance

Symbol	Name	SI unit	Factor to SI
GΩ	gigaohm	Ω	1e+09
kΩ	kiloohm	Ω	1000
MΩ	megaohm	Ω	1e+06
Ω	ohm	Ω	1

Resistivity

Symbol	Name	SI unit	Factor to SI
uΩ_m	microohm metre	Ω_m	1e-06
µΩ_m	microohm metre	Ω_m	1e-06
Ω_m	ohm metre	Ω_m	1

Solid Angle

Symbol	Name	SI unit	Factor to SI
sr	steradian	sr	1

Specific Energy

Symbol	Name	SI unit	Factor to SI
BTU_IT/lb	BTU (IT) per pound	J/kg	2326

Specific Heat Capacity

Symbol	Name	SI unit	Factor to SI
BTU_IT/lb_F	BTU (IT) per lb °F	J/kg_K	4186.8
J/kg_K	joule per kilogram kelvin	J/kg_K	1

Speed

Symbol	Name	SI unit	Factor to SI
ft/min	foot per minute	m/s	0.00508
ft/s	foot per second	m/s	0.3048
km/h	kilometre per hour	m/s	0.277778
kn	knot	m/s	0.514444
mph	mile per hour	m/s	0.44704

Temperature

Symbol	Name	SI unit	Factor to SI
K †	kelvin	K	1
°C †	celsius	K	1
°F †	fahrenheit	K	0.555556
°R †	rankine	K	0.555556

Thermal Conductivity

Symbol	Name	SI unit	Factor to SI
W/m_K	watt per metre kelvin	W/m_K	1

Time

Symbol	Name	SI unit	Factor to SI
d	day	s	86400
day	day	s	86400
h	hour	s	3600
min	minute	s	60
ms	millisecond	s	0.001
s	second	s	1
us	microsecond	s	1e-06
week	week	s	604800
yr	year (365 days)	s	3.1536e+07

Torque

Symbol	Name	SI unit	Factor to SI
kgf_m	kilogram-force metre	N_m_torque	9.80665
lbf_ft	pound-force foot	N_m_torque	1.35582
lbf_in	pound-force inch	N_m_torque	0.112985
ozf_in	ounce-force inch	N_m_torque	0.00706155

Voltage

Symbol	Name	SI unit	Factor to SI
kV	kilovolt	V	1000
mV	millivolt	V	0.001
nV	nanovolt	V	1e-09
uV	microvolt	V	1e-06
V	volt	V	1
µV	microvolt	V	1e-06

Volume

Symbol	Name	SI unit	Factor to SI
acre_ft	acre-foot	m^3	1233.48
bbl	barrel	m^3	0.158987
cL	centilitre	m^3	1e-05
fl_oz	fluid ounce (US)	m^3	2.95735e-05
ft3	cubic foot	m^3	0.0283168
gal	US gallon	m^3	0.00378541
gal_imp	Imperial gallon	m^3	0.00454609
in3	cubic inch	m^3	1.63871e-05
k(m3)	thousand cubic metres	m^3	1000
L	litre	m^3	0.001
m3	cubic metre	m^3	1
Mbbl	thousand barrels	m^3	158.987
mL	millilitre	m^3	1e-06
MMbbl	million barrels	m^3	158987
MMm3	million cubic metres	m^3	1e+06
pt	pint (US liquid)	m^3	0.000473177
qt	US quart	m^3	0.000946353
yd3	cubic yard	m^3	0.764555

Volume Reservoir

Symbol	Name	SI unit	Factor to SI
cf_res	cubic foot [reservoir]	m^3	0.0283168
m3_g_res	cubic metre [reservoir]	m^3	1
m3_o_res	cubic metre [reservoir]	m^3	1
m3_res	cubic metre [reservoir]	m^3	1
m3_w_res	cubic metre [reservoir]	m^3	1
RB	barrel [reservoir]	m^3	0.158987

Volume Separator

Symbol	Name	SI unit	Factor to SI
bbl_sep	barrel [separator]	m^3	0.158987
cf_sep	cubic foot [separator]	m^3	0.0283168
m3_g_sep	cubic metre [separator]	m^3	1
m3_o_sep	cubic metre [separator]	m^3	1
m3_sep	cubic metre [separator]	m^3	1
m3_w_sep	cubic metre [separator]	m^3	1

Volume Standar Conditions

Symbol	Name	SI unit	Factor to SI
m3_g_sc	cubic metre [standar_conditions]	m^3	1
m3_o_sc	cubic metre [standar_conditions]	m^3	1
m3_sc	cubic metre [standar_conditions]	m^3	1
m3_w_sc	cubic metre [standar_conditions]	m^3	1

Volume Stock Tank

Symbol	Name	SI unit	Factor to SI
STB	barrel [stock_tank]	m^3	0.158987