narupatools.core.units

Core unit conversion system.

Module Attributes

second	The second (\(\text{s}\)), the SI unit of time.
meter	The meter (\(\text{m}\)), the SI unit of length.
dalton	The dalton (\(\text{Da}\)) unit of mass.
amu	The atomic mass unit (\(\text{amu}\)) unit of mass.
gram	The gram (\(\text{g}\)), the SI unit of mass.
elementary_charge	The elementary charge (\(\text{e}\)) as a unit of charge.
coulomb	The coulomb (\(\text{C}\)), the SI unit of charge.
kelvin	The kelvin (\(\text{K}\)), the SI unit of absolute temperature.
radian	The radian (\(\text{rad}\)), the natural unit of angle.
degree	The degree (\(^{\circ}\)) unit of angle.
joule	The joule (\(\text{J}\)), the SI unit of energy defined as \(1 \text{J} = 1 \text{kg} \text{m}^2 \text{s}^{-2}\).
mole	The mole (\(\text{mol}\)) unit of quantity, equal to Avogadro’s constant.
angstrom	The angstrom (\(\text{\AA}\)) unit of length.
electronvolt	The electronvolt (\(\text{eV}\)) unit of energy.
calorie	The (gram) calorie (\(\text{cal}\)) unit of energy.
newton	The newton (\(\text{N}\)), the SI unit of force defined as \(1 \text{N} = 1 \text{kg} \text{m} \text{s}^{-2}\).
pascal	The pascal (\(\text{Pa}\)), the SI unit of pressure defined as \(1 \text{N} = 1 \text{kg} \text{m}^{-1} \text{s}^{-2}\).
bar	The bar (\(\text{bar}\)) unit of pressure.
atmosphere	The atmosphere (\(\text{atm}\)) unit of pressure.
bohr	The Bohr radius (\(\text{a_0}\)) unit of length.
hartree	The Hartree (\(\text{Ha}\)) unit of energy.
statcoulomb	The statcoulomb (\(\text{statC}\)) unit of charge.
volt	The volt (\(\text{V}\)) unit of electric field.
statvolt	The statvolt (\(\text{statV}\)) unit of electric field.
esu	The electrostatic unit of charge (\(\text{esu}\)) unit of charge
dyne	The dyne (\(\text{dyn}\)) unit of force.
debye	The debye (\(\text{D}\)) unit of pressure.
poise	The poise (\(\text{P}\)) unit of dynamic viscosity.
atomic_time_unit	The atomic time unit of time.
amp	The ampere (\(\text{A}\)) unit of current.
erg	The erg (\(\text{erg}\)) unit of energy.
UnitsNarupa	Unit system used by Narupa/narupatools.

Classes

Prefix(value)	Represents a prefix that can be applied to a unit.
UnfinishedUnitOrQuantity(prefix, prepend)	Partially assembled quantity consisting of values, units and prefixes.
Unit(value, int, narupatools.core.units.Unit])	Physical unit defined in terms of the units of Narupa.
UnitConversion(a, b)	Conversion between two distinct unit systems.
UnitSystem(**kwargs, …)	System of units which can be converted between each other.