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 | KilogramPerSecomd | 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 |
Reexports
pub use self::f64consts::*; |
Modules
| f32consts |
Constants defined for $System of value type $t |
| f64consts |
Constants defined for $System of value type $t |
Structs
| SI |
The $System unit system |