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A performant, verbose and generic physical unit system.

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© 2026 Patrick Müller. All rights reserved.

qunits.u [source]

The unit registry.

Attributes:
AUnit(1.000000e+00, frozenset({("A", 1)}), ElectricCurrent, Context.I)
CUnit(1.000000e+00, frozenset({("C", 1)}), Charge, Context.I)
EGUnit(1.000000e+14, frozenset({("EG", 1)}), MagneticInduction, Context.I)
EHzUnit(1.000000e+18, frozenset({("EHz", 1)}), Frequency, Context.I)
FUnit(1.000000e+00, frozenset({("F", 1)}), Capacitance, Context.I)
GUnit(1.000000e-04, frozenset({("G", 1)}), MagneticInduction, Context.I)
GCUnit(1.000000e+09, frozenset({("GC", 1)}), Charge, Context.I)
GGUnit(1.000000e+05, frozenset({("GG", 1)}), MagneticInduction, Context.I)
GHzUnit(1.000000e+09, frozenset({("GHz", 1)}), Frequency, Context.I)
GJUnit(1.000000e+09, frozenset({("GJ", 1)}), Energy, Context.I)
GNUnit(1.000000e+09, frozenset({("GN", 1)}), Force, Context.I)
GOhmUnit(1.000000e+09, frozenset({("GOhm", 1)}), Resistance, Context.I)
GPaUnit(1.000000e+09, frozenset({("GPa", 1)}), Pressure, Context.I)
GTUnit(1.000000e+09, frozenset({("GT", 1)}), MagneticInduction, Context.I)
GVUnit(1.000000e+09, frozenset({("GV", 1)}), Voltage, Context.I)
GWUnit(1.000000e+09, frozenset({("GW", 1)}), Power, Context.I)
GcdUnit(1.000000e+09, frozenset({("Gcd", 1)}), LuminousIntensity, Context.I)
GeVUnit(1.602177e-10, frozenset({("GeV", 1)}), Energy, Context.I)
HzUnit(1.000000e+00, frozenset({("Hz", 1)}), Frequency, Context.I)
IUnit(1.000000e+00, frozenset(), Dimensionless, Context.I)
JUnit(1.000000e+00, frozenset({("J", 1)}), Energy, Context.I)
KUnit(1.000000e+00, frozenset({("K", 1)}), Temperature, Context.I)
MAUnit(1.000000e+06, frozenset({("MA", 1)}), ElectricCurrent, Context.I)
MCUnit(1.000000e+06, frozenset({("MC", 1)}), Charge, Context.I)
MGUnit(1.000000e+02, frozenset({("MG", 1)}), MagneticInduction, Context.I)
MHzUnit(1.000000e+06, frozenset({("MHz", 1)}), Frequency, Context.I)
MJUnit(1.000000e+06, frozenset({("MJ", 1)}), Energy, Context.I)
MNUnit(1.000000e+06, frozenset({("MN", 1)}), Force, Context.I)
MOhmUnit(1.000000e+06, frozenset({("MOhm", 1)}), Resistance, Context.I)
MPaUnit(1.000000e+06, frozenset({("MPa", 1)}), Pressure, Context.I)
MTUnit(1.000000e+06, frozenset({("MT", 1)}), MagneticInduction, Context.I)
MVUnit(1.000000e+06, frozenset({("MV", 1)}), Voltage, Context.I)
MWUnit(1.000000e+06, frozenset({("MW", 1)}), Power, Context.I)
McdUnit(1.000000e+06, frozenset({("Mcd", 1)}), LuminousIntensity, Context.I)
MeVUnit(1.602177e-13, frozenset({("MeV", 1)}), Energy, Context.I)
NUnit(1.000000e+00, frozenset({("N", 1)}), Force, Context.I)
OhmUnit(1.000000e+00, frozenset({("Ohm", 1)}), Resistance, Context.I)
PGUnit(1.000000e+11, frozenset({("PG", 1)}), MagneticInduction, Context.I)
PHzUnit(1.000000e+15, frozenset({("PHz", 1)}), Frequency, Context.I)
PJUnit(1.000000e+15, frozenset({("PJ", 1)}), Energy, Context.I)
PNUnit(1.000000e+15, frozenset({("PN", 1)}), Force, Context.I)
PPaUnit(1.000000e+15, frozenset({("PPa", 1)}), Pressure, Context.I)
PTUnit(1.000000e+15, frozenset({("PT", 1)}), MagneticInduction, Context.I)
PWUnit(1.000000e+15, frozenset({("PW", 1)}), Power, Context.I)
PaUnit(1.000000e+00, frozenset({("Pa", 1)}), Pressure, Context.I)
PeVUnit(1.602177e-04, frozenset({("PeV", 1)}), Energy, Context.I)
QHzUnit(1.000000e+30, frozenset({("QHz", 1)}), Frequency, Context.I)
RHzUnit(1.000000e+27, frozenset({("RHz", 1)}), Frequency, Context.I)
TUnit(1.000000e+00, frozenset({("T", 1)}), MagneticInduction, Context.I)
TGUnit(1.000000e+08, frozenset({("TG", 1)}), MagneticInduction, Context.I)
THzUnit(1.000000e+12, frozenset({("THz", 1)}), Frequency, Context.I)
TJUnit(1.000000e+12, frozenset({("TJ", 1)}), Energy, Context.I)
TNUnit(1.000000e+12, frozenset({("TN", 1)}), Force, Context.I)
TPaUnit(1.000000e+12, frozenset({("TPa", 1)}), Pressure, Context.I)
TTUnit(1.000000e+12, frozenset({("TT", 1)}), MagneticInduction, Context.I)
TWUnit(1.000000e+12, frozenset({("TW", 1)}), Power, Context.I)
TeVUnit(1.602177e-07, frozenset({("TeV", 1)}), Energy, Context.I)
VUnit(1.000000e+00, frozenset({("V", 1)}), Voltage, Context.I)
WUnit(1.000000e+00, frozenset({("W", 1)}), Power, Context.I)
YHzUnit(1.000000e+24, frozenset({("YHz", 1)}), Frequency, Context.I)
ZHzUnit(1.000000e+21, frozenset({("ZHz", 1)}), Frequency, Context.I)
amUnit(1.000000e-18, frozenset({("am", 1)}), Length, Context.I)
attosecondUnit(1.000000e-18, frozenset({("attosecond", 1)}), Time, Context.I)
cUnit(2.997925e+08, frozenset({("c", 1)}), Velocity, Context.I)
cdUnit(1.000000e+00, frozenset({("cd", 1)}), LuminousIntensity, Context.I)
eUnit(1.602177e-19, frozenset({("e", 1)}), Charge, Context.I)
eVUnit(1.602177e-19, frozenset({("eV", 1)}), Energy, Context.I)
fAUnit(1.000000e-15, frozenset({("fA", 1)}), ElectricCurrent, Context.I)
fCUnit(1.000000e-15, frozenset({("fC", 1)}), Charge, Context.I)
fFUnit(1.000000e-15, frozenset({("fF", 1)}), Capacitance, Context.I)
fHzUnit(1.000000e-15, frozenset({("fHz", 1)}), Frequency, Context.I)
fJUnit(1.000000e-15, frozenset({("fJ", 1)}), Energy, Context.I)
fKUnit(1.000000e-15, frozenset({("fK", 1)}), Temperature, Context.I)
fNUnit(1.000000e-15, frozenset({("fN", 1)}), Force, Context.I)
fOhmUnit(1.000000e-15, frozenset({("fOhm", 1)}), Resistance, Context.I)
fPaUnit(1.000000e-15, frozenset({("fPa", 1)}), Pressure, Context.I)
fTUnit(1.000000e-15, frozenset({("fT", 1)}), MagneticInduction, Context.I)
fVUnit(1.000000e-15, frozenset({("fV", 1)}), Voltage, Context.I)
fWUnit(1.000000e-15, frozenset({("fW", 1)}), Power, Context.I)
fcdUnit(1.000000e-15, frozenset({("fcd", 1)}), LuminousIntensity, Context.I)
feVUnit(1.602177e-34, frozenset({("feV", 1)}), Energy, Context.I)
fgUnit(1.000000e-18, frozenset({("fg", 1)}), Mass, Context.I)
fmUnit(1.000000e-15, frozenset({("fm", 1)}), Length, Context.I)
fmolUnit(1.000000e-15, frozenset({("fmol", 1)}), AmountOfSubstance, Context.I)
fsUnit(1.000000e-15, frozenset({("fs", 1)}), Time, Context.I)
gUnit(1.000000e-03, frozenset({("g", 1)}), Mass, Context.I)
hUnit(6.626070e-34, frozenset({("h", 1)}), Action, Context.I)
kAUnit(1.000000e+03, frozenset({("kA", 1)}), ElectricCurrent, Context.I)
kCUnit(1.000000e+03, frozenset({("kC", 1)}), Charge, Context.I)
kFUnit(1.000000e+03, frozenset({("kF", 1)}), Capacitance, Context.I)
kGUnit(1.000000e-01, frozenset({("kG", 1)}), MagneticInduction, Context.I)
kHzUnit(1.000000e+03, frozenset({("kHz", 1)}), Frequency, Context.I)
kJUnit(1.000000e+03, frozenset({("kJ", 1)}), Energy, Context.I)
kNUnit(1.000000e+03, frozenset({("kN", 1)}), Force, Context.I)
kOhmUnit(1.000000e+03, frozenset({("kOhm", 1)}), Resistance, Context.I)
kPaUnit(1.000000e+03, frozenset({("kPa", 1)}), Pressure, Context.I)
kTUnit(1.000000e+03, frozenset({("kT", 1)}), MagneticInduction, Context.I)
kVUnit(1.000000e+03, frozenset({("kV", 1)}), Voltage, Context.I)
kWUnit(1.000000e+03, frozenset({("kW", 1)}), Power, Context.I)
kcdUnit(1.000000e+03, frozenset({("kcd", 1)}), LuminousIntensity, Context.I)
keVUnit(1.602177e-16, frozenset({("keV", 1)}), Energy, Context.I)
kgUnit(1.000000e+00, frozenset({("kg", 1)}), Mass, Context.I)
kmUnit(1.000000e+03, frozenset({("km", 1)}), Length, Context.I)
kmolUnit(1.000000e+03, frozenset({("kmol", 1)}), AmountOfSubstance, Context.I)
mUnit(1.000000e+00, frozenset({("m", 1)}), Length, Context.I)
mAUnit(1.000000e-03, frozenset({("mA", 1)}), ElectricCurrent, Context.I)
mCUnit(1.000000e-03, frozenset({("mC", 1)}), Charge, Context.I)
mFUnit(1.000000e-03, frozenset({("mF", 1)}), Capacitance, Context.I)
mGUnit(1.000000e-07, frozenset({("mG", 1)}), MagneticInduction, Context.I)
mHzUnit(1.000000e-03, frozenset({("mHz", 1)}), Frequency, Context.I)
mJUnit(1.000000e-03, frozenset({("mJ", 1)}), Energy, Context.I)
mKUnit(1.000000e-03, frozenset({("mK", 1)}), Temperature, Context.I)
mNUnit(1.000000e-03, frozenset({("mN", 1)}), Force, Context.I)
mOhmUnit(1.000000e-03, frozenset({("mOhm", 1)}), Resistance, Context.I)
mPaUnit(1.000000e-03, frozenset({("mPa", 1)}), Pressure, Context.I)
mTUnit(1.000000e-03, frozenset({("mT", 1)}), MagneticInduction, Context.I)
mVUnit(1.000000e-03, frozenset({("mV", 1)}), Voltage, Context.I)
mWUnit(1.000000e-03, frozenset({("mW", 1)}), Power, Context.I)
mcdUnit(1.000000e-03, frozenset({("mcd", 1)}), LuminousIntensity, Context.I)
meVUnit(1.602177e-22, frozenset({("meV", 1)}), Energy, Context.I)
mgUnit(1.000000e-06, frozenset({("mg", 1)}), Mass, Context.I)
mmUnit(1.000000e-03, frozenset({("mm", 1)}), Length, Context.I)
mmolUnit(1.000000e-03, frozenset({("mmol", 1)}), AmountOfSubstance, Context.I)
molUnit(1.000000e+00, frozenset({("mol", 1)}), AmountOfSubstance, Context.I)
mradUnit(1.000000e-03, frozenset({("mrad", 1)}), Dimensionless, Context.ANGLE)
msUnit(1.000000e-03, frozenset({("ms", 1)}), Time, Context.I)
nAUnit(1.000000e-09, frozenset({("nA", 1)}), ElectricCurrent, Context.I)
nCUnit(1.000000e-09, frozenset({("nC", 1)}), Charge, Context.I)
nFUnit(1.000000e-09, frozenset({("nF", 1)}), Capacitance, Context.I)
nGUnit(1.000000e-13, frozenset({("nG", 1)}), MagneticInduction, Context.I)
nHzUnit(1.000000e-09, frozenset({("nHz", 1)}), Frequency, Context.I)
nJUnit(1.000000e-09, frozenset({("nJ", 1)}), Energy, Context.I)
nKUnit(1.000000e-09, frozenset({("nK", 1)}), Temperature, Context.I)
nNUnit(1.000000e-09, frozenset({("nN", 1)}), Force, Context.I)
nOhmUnit(1.000000e-09, frozenset({("nOhm", 1)}), Resistance, Context.I)
nPaUnit(1.000000e-09, frozenset({("nPa", 1)}), Pressure, Context.I)
nTUnit(1.000000e-09, frozenset({("nT", 1)}), MagneticInduction, Context.I)
nVUnit(1.000000e-09, frozenset({("nV", 1)}), Voltage, Context.I)
nWUnit(1.000000e-09, frozenset({("nW", 1)}), Power, Context.I)
ncdUnit(1.000000e-09, frozenset({("ncd", 1)}), LuminousIntensity, Context.I)
neVUnit(1.602177e-28, frozenset({("neV", 1)}), Energy, Context.I)
ngUnit(1.000000e-12, frozenset({("ng", 1)}), Mass, Context.I)
nmUnit(1.000000e-09, frozenset({("nm", 1)}), Length, Context.I)
nmolUnit(1.000000e-09, frozenset({("nmol", 1)}), AmountOfSubstance, Context.I)
nradUnit(1.000000e-09, frozenset({("nrad", 1)}), Dimensionless, Context.ANGLE)
nsUnit(1.000000e-09, frozenset({("ns", 1)}), Time, Context.I)
pAUnit(1.000000e-12, frozenset({("pA", 1)}), ElectricCurrent, Context.I)
pCUnit(1.000000e-12, frozenset({("pC", 1)}), Charge, Context.I)
pFUnit(1.000000e-12, frozenset({("pF", 1)}), Capacitance, Context.I)
pGUnit(1.000000e-16, frozenset({("pG", 1)}), MagneticInduction, Context.I)
pHzUnit(1.000000e-12, frozenset({("pHz", 1)}), Frequency, Context.I)
pJUnit(1.000000e-12, frozenset({("pJ", 1)}), Energy, Context.I)
pKUnit(1.000000e-12, frozenset({("pK", 1)}), Temperature, Context.I)
pNUnit(1.000000e-12, frozenset({("pN", 1)}), Force, Context.I)
pOhmUnit(1.000000e-12, frozenset({("pOhm", 1)}), Resistance, Context.I)
pPaUnit(1.000000e-12, frozenset({("pPa", 1)}), Pressure, Context.I)
pTUnit(1.000000e-12, frozenset({("pT", 1)}), MagneticInduction, Context.I)
pVUnit(1.000000e-12, frozenset({("pV", 1)}), Voltage, Context.I)
pWUnit(1.000000e-12, frozenset({("pW", 1)}), Power, Context.I)
pcdUnit(1.000000e-12, frozenset({("pcd", 1)}), LuminousIntensity, Context.I)
peVUnit(1.602177e-31, frozenset({("peV", 1)}), Energy, Context.I)
percentUnit(1.000000e-02, frozenset({("percent", 1)}), Dimensionless, Context.I)
pgUnit(1.000000e-15, frozenset({("pg", 1)}), Mass, Context.I)
piUnit(3.141593e+00, frozenset({("pi", 1)}), Dimensionless, Context.ANGLE)
pmUnit(1.000000e-12, frozenset({("pm", 1)}), Length, Context.I)
pmolUnit(1.000000e-12, frozenset({("pmol", 1)}), AmountOfSubstance, Context.I)
psUnit(1.000000e-12, frozenset({("ps", 1)}), Time, Context.I)
qmUnit(1.000000e-30, frozenset({("qm", 1)}), Length, Context.I)
qsUnit(1.000000e-30, frozenset({("qs", 1)}), Time, Context.I)
radUnit(1.000000e+00, frozenset({("rad", 1)}), Dimensionless, Context.ANGLE)
rmUnit(1.000000e-27, frozenset({("rm", 1)}), Length, Context.I)
rsUnit(1.000000e-27, frozenset({("rs", 1)}), Time, Context.I)
sUnit(1.000000e+00, frozenset({("s", 1)}), Time, Context.I)
uUnit(1.660539e-24, frozenset({("u", 1)}), Mass, Context.I)
uAUnit(1.000000e-06, frozenset({("uA", 1)}), ElectricCurrent, Context.I)
uCUnit(1.000000e-06, frozenset({("uC", 1)}), Charge, Context.I)
uFUnit(1.000000e-06, frozenset({("uF", 1)}), Capacitance, Context.I)
uGUnit(1.000000e-10, frozenset({("uG", 1)}), MagneticInduction, Context.I)
uHzUnit(1.000000e-06, frozenset({("uHz", 1)}), Frequency, Context.I)
uJUnit(1.000000e-06, frozenset({("uJ", 1)}), Energy, Context.I)
uKUnit(1.000000e-06, frozenset({("uK", 1)}), Temperature, Context.I)
uNUnit(1.000000e-06, frozenset({("uN", 1)}), Force, Context.I)
uOhmUnit(1.000000e-06, frozenset({("uOhm", 1)}), Resistance, Context.I)
uPaUnit(1.000000e-06, frozenset({("uPa", 1)}), Pressure, Context.I)
uTUnit(1.000000e-06, frozenset({("uT", 1)}), MagneticInduction, Context.I)
uVUnit(1.000000e-06, frozenset({("uV", 1)}), Voltage, Context.I)
uWUnit(1.000000e-06, frozenset({("uW", 1)}), Power, Context.I)
ucdUnit(1.000000e-06, frozenset({("ucd", 1)}), LuminousIntensity, Context.I)
ueVUnit(1.602177e-25, frozenset({("ueV", 1)}), Energy, Context.I)
ugUnit(1.000000e-09, frozenset({("ug", 1)}), Mass, Context.I)
umUnit(1.000000e-06, frozenset({("um", 1)}), Length, Context.I)
umolUnit(1.000000e-06, frozenset({("umol", 1)}), AmountOfSubstance, Context.I)
uradUnit(1.000000e-06, frozenset({("urad", 1)}), Dimensionless, Context.ANGLE)
usUnit(1.000000e-06, frozenset({("us", 1)}), Time, Context.I)
ymUnit(1.000000e-24, frozenset({("ym", 1)}), Length, Context.I)
ysUnit(1.000000e-24, frozenset({("ys", 1)}), Time, Context.I)
zmUnit(1.000000e-21, frozenset({("zm", 1)}), Length, Context.I)
zsUnit(1.000000e-21, frozenset({("zs", 1)}), Time, Context.I)