Module dimensioned::unit_systems::si [−][src]
The International System of Units (SI)
Where experimental values are used for constants, the values are obtained from the 2014 values from The NIST Reference on Constants, Unit, and Uncertainty.
Following, we list all of the base units, derived units, and constants that are defined in this unit system.
Base Units
Constant | Unit | Print Token | Dimensionn | |
---|---|---|---|---|
M | Meter | m | Length | |
KG | Kilogram | kg | Mass | |
S | Second | s | Time | |
A | Ampere | A | Current | |
K | Kelvin | K | Temperature | |
CD | Candela | cd | LuminousIntensity | |
MOL | Mole | mol | AmountOfSubstance | |
# Derived Units | ||||
Constant | Unit | Unit Definition | Dimension | |
--- | --- | --- | --- | |
HZ | Hertz | Unitless / Second | Frequency | |
N | Newton | Kilogram * Meter / Second2 | Force | |
PA | Pascal | Newton / Meter2 | Pressure | |
J | Joule | Newton * Meter | Energy | |
W | Watt | Joule / Second | Power | |
C | Coulomb | Second * Ampere | Charge | |
V | Volt | Watt / Ampere | ElectricPotential | |
F | Farad | Coulomb / Volt | Capacitance | |
OHM | Ohm | Volt / Ampere | Resistance | |
SIE | Siemens | Ampere / Volt | Conductance | |
WB | Weber | Joule / Ampere | MagneticFlux | |
T | Tesla | Weber / Meter2 | ||
H | Henry | Ohm * Second | Inductance | |
LM | Lumen | Candela | ||
LX | Lux | Candela / Meter2 | ||
BQ | Becquerel | Hertz | ||
GY | Gray | Joule / Kilogram | ||
SV | Sievert | Gray | ||
KAT | Katal | Mole / Second | ||
M2 | Meter2 | Meter * Meter | Area | |
M3 | Meter3 | Meter2 * Meter | Volume | |
PM | PerMeter | Unitless / Meter | ReciprocalLength | |
PM2 | PerMeter2 | PerMeter / Meter | ||
PM3 | PerMeter3 | PerMeter2 / Meter | ||
S2 | Second2 | Second * Second | ||
S3 | Second3 | Second2 * Second | ||
S4 | Second4 | Second3 * Second | ||
PS2 | PerSecond2 | Unitless / Second2 | ||
PS3 | PerSecond3 | Unitless / Second3 | ||
PS4 | PerSecond4 | Unitless / Second4 | ||
MPS | MeterPerSecond | Meter / Second | Velocity | |
MPS2 | MeterPerSecond2 | Meter / Second2 | Acceleration | |
MPS3 | MeterPerSecond3 | Meter / Second3 | Jerk | |
MPS4 | MeterPerSecond4 | Meter / Second4 | ||
M2PS | Meter2PerSecond | Meter2 / Second | ||
M2PS2 | Meter2PerSecond2 | Meter2 / Second2 | ||
M2PS3 | Meter2PerSecond3 | Meter2 / Second3 | ||
M3PS | Meter3PerSecond | Meter3 / Second | ||
M3PS2 | Meter3PerSecond2 | Meter3 / Second2 | ||
M3PS3 | Meter3PerSecond3 | Meter3 / Second3 | ||
NS | NewtonSecond | Newton * Second | ||
JS | JouleSecond | Joule * Second | ||
NPS | NewtonPerSecond | Newton / Second | ||
KGPM | KilogramPerMeter | Kilogram / Meter | ||
KGPM2 | KilogramPerMeter2 | Kilogram / Meter2 | ||
KGPM3 | KilogramPerMeter3 | Kilogram / Meter3 | ||
MPKG | MeterPerKilogram | Meter / Kilogram | ||
M2PKG | Meter2PerKilogram | Meter2 / Kilogram | ||
M3PKG | Meter3PerKilogram | Meter3 / Kilogram | ||
MOLPM | MolePerMeter | Mole / Meter | ||
MOLPM2 | MolePerMeter2 | Mole / Meter2 | ||
MOLPM3 | MolePerMeter3 | Mole / Meter3 | ||
MPMOL | MeterPerMole | Meter / Mole | ||
M2PMOL | Meter2PerMole | Meter2 / Mole | ||
M3PMOL | Meter3PerMole | Meter3 / Mole | ||
JPK | JoulePerKelvin | Joule / Kelvin | ||
JPKMOL | JoulePerKelvinMole | JoulePerKelvin / Mole | ||
JPKGK | JoulePerKilogramKelvin | JoulePerKelvin / Kilogram | ||
JPMOL | JoulePerMole | Joule / Mole | ||
JPKG | JoulePerKilogram | Joule / Kilogram | ||
JPM2 | JoulePerMeter2 | Joule / Meter2 | ||
JPM3 | JoulePerMeter3 | Joule / Meter3 | ||
NPM | NewtonPerMeter | JoulePerMeter2 | ||
WPM2 | WattPerMeter2 | Watt / Meter2 | ||
WPMK | WattPerMeterKelvin | Watt / Meter / Kelvin | ||
PAS | PascalSecond | Pascal * Second | ||
CPM2 | CoulombPerMeter2 | Coulomb / Meter2 | ||
CPM3 | CoulombPerMeter3 | Coulomb / Meter3 | ||
APM2 | AmperePerMeter2 | Ampere / Meter2 | ||
SIEPM | SiemensPerMeter | Siemens / Meter | ||
SIEM2PMOL | SiemensMeter2PerMole | Siemens * Meter2 / Mole | ||
FPM | FaradPerMeter | Farad / Meter | ||
HPM | HenryPerMeter | Henry / Meter | ||
VPM | VoltPerMeter | Volt / Meter | ||
APM | AmperePerMeter | Ampere / Meter | ||
CDPM2 | CandelaPerMeter2 | Candela / Meter2 | ||
LMS | LumenSecond | Lumen * Second | ||
LXS | LuxSecond | Lux * Second | ||
CPKG | CoulombPerKilogram | Coulomb / Kilogram | ||
GYPS | GrayPerSecond | Gray / Second | ||
OHMM | OhmMeter | Ohm * Meter | ||
CPM | CoulombPerMeter | Coulomb / Meter | ||
MOLPKG | MolePerKilogram | Mole / Kilogram | ||
KGPMOL | KilogramPerMole | Kilogram / Mole | ||
KGPS | KilogramPerSecond | Kilogram / Second | ||
JPT | JoulePerTesla | Joule / Tesla | ||
WPM3 | WattPerMeter3 | Watt / Meter3 | ||
KPW | KelvinPerWatt | Kelvin / Watt | ||
PK | PerKelvin | Unitless / Kelvin | ||
KPM | KelvinPerMeter | Kelvin / Meter | ||
M2PVS | Meter2PerVoltSecond | Meter2 / Volt / Second | ||
JPM2S | JoulePerMeter2Second | JoulePerMeter2 / Second | ||
PPA | PerPascal | Unitless / Pascal | ||
PH | PerHenry | Unitless / Henry | ||
WBPM | WeberPerMeter | Weber / Meter | ||
WBM | WeberMeter | Weber * Meter | ||
TM | TeslaMeter | Tesla * Meter | ||
M3PMOLS | Meter3PerMoleSecond | Meter3 / Mole / Second | ||
NMSPKG | NewtonMeterSecondPerKilogram | Newton * Meter * Second / Kilogram | ||
LMPW | LumenPerWatt | Lumen / Watt | ||
MPH | MeterPerHenry | Meter / Henry | ||
WPM | WattPerMeter | Watt / Meter | ||
# Constants | ||||
Name | Constant | Value | Unit | Dimension |
--- | --- | --- | --- | --- |
Astronomical unit | AU | 149597870700.0 * M | Meter | Length |
Bohr radius | R_BOHR | 0.52917721067e-10 * M | Meter | Length |
Ångström | AO | 1e-10 * M | Meter | Length |
Foot | FT | 0.3048 * M | Meter | Length |
Inch | IN | FT / 12.0 | Meter | Length |
Yard | YD | 3.0 * FT | Meter | Length |
Mile | MI | 5280.0 * FT | Meter | Length |
Tonne | TNE | 1.0e3 * KG | Kilogram | Mass |
Unified atomic mass unit; dalton | U | 1.660539040e-27 * KG | Kilogram | Mass |
Electron mass | M_E | 9.10938356e-31 * KG | Kilogram | Mass |
Pound mass | LB | 0.45359237 * KG | Kilogram | Mass |
Ounce | OZ | LB / 16.0 | Kilogram | Mass |
Minute | MIN | 60.0 * S | Second | Time |
Hour | HR | 60.0 * MIN | Second | Time |
Day | DAY | 24.0 * HR | Second | Time |
Dyne | DYN | 1.0e-5 * N | Newton | Force |
Pound force | LBF | 4.4482216152605 * N | Newton | Force |
Bar | BAR | 1e5 * PA | Pascal | Pressure |
Millibar | MBAR | 100.0 * PA | Pascal | Pressure |
Atmosphere | ATM | 101325.0 * PA | Pascal | Pressure |
Barye | BA | 0.1 * PA | Pascal | Pressure |
Millimeter of mercury | MMHG | 133.322387415 * PA | Pascal | Pressure |
Torr | TORR | ATM / 760.0 | Pascal | Pressure |
Electronvolt | EV | E * V | Joule | Energy |
Hartree energy | EH | 4.359744650e-18 * J | Joule | Energy |
Elementary charge | E | 1.6021766208e-19 * C | Coulomb | Charge |
Hectare | HA | 10000.0 * M2 | Meter2 | Area |
Are | ARE | 100.0 * M2 | Meter2 | Area |
Barn | BARN | 1e-28 * M2 | Meter2 | Area |
Liter | L | 0.001 * M3 | Meter3 | Volume |
Speed of light in a vacuum | C0 | 299792458.0 * MPS | MeterPerSecond | Velocity |
Reduced Planck constant | HBAR | 1.054571800e-34 * JS | JouleSecond |
Re-exports
pub use self::f64consts::*; |
Modules
f32consts |
Constants defined for this system |
f64consts |
Constants defined for this system |
i16consts |
Constants defined for this system |
i32consts |
Constants defined for this system |
i64consts |
Constants defined for this system |
i8consts |
Constants defined for this system |
isize_consts |
Constants defined for this system |
u16consts |
Constants defined for this system |
u32consts |
Constants defined for this system |
u64consts |
Constants defined for this system |
u8consts |
Constants defined for this system |
usize_consts |
Constants defined for this system |
Structs
SI |
The struct for this unit system |