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

Reexports

pub use self::f64consts::*;

Modules

f32consts

Constants defined for this system

f64consts

Constants defined for this system

Structs

SI

The struct for this unit system

Type Definitions

Ampere
AmperePerMeter
AmperePerMeter2
Becquerel
Candela
CandelaPerMeter2
Coulomb
CoulombPerKilogram
CoulombPerMeter
CoulombPerMeter2
CoulombPerMeter3
Farad
FaradPerMeter
Gray
GrayPerSecond
Henry
HenryPerMeter
Hertz
Joule
JoulePerKelvin
JoulePerKelvinMole
JoulePerKilogram
JoulePerKilogramKelvin
JoulePerMeter2
JoulePerMeter2Second
JoulePerMeter3
JoulePerMole
JoulePerTesla
JouleSecond
Katal
Kelvin
KelvinPerMeter
KelvinPerWatt
Kilogram
KilogramPerMeter
KilogramPerMeter2
KilogramPerMeter3
KilogramPerMole
KilogramPerSecond
Lumen
LumenPerWatt
LumenSecond
Lux
LuxSecond
Meter
Meter2
Meter2PerKilogram
Meter2PerMole
Meter2PerSecond
Meter2PerSecond2
Meter2PerSecond3
Meter2PerVoltSecond
Meter3
Meter3PerKilogram
Meter3PerMole
Meter3PerMoleSecond
Meter3PerSecond
Meter3PerSecond2
Meter3PerSecond3
MeterPerHenry
MeterPerKilogram
MeterPerMole
MeterPerSecond
MeterPerSecond2
MeterPerSecond3
MeterPerSecond4
Mole
MolePerKilogram
MolePerMeter
MolePerMeter2
MolePerMeter3
Newton
NewtonMeterSecondPerKilogram
NewtonPerMeter
NewtonPerSecond
NewtonSecond
Ohm
OhmMeter
Pascal
PascalSecond
PerHenry
PerKelvin
PerMeter
PerMeter2
PerMeter3
PerPascal
PerSecond2
PerSecond3
PerSecond4
Second
Second2
Second3
Second4
Siemens
SiemensMeter2PerMole
SiemensPerMeter
Sievert
Tesla
TeslaMeter
Unitless
Volt
VoltPerMeter
Watt
WattPerMeter
WattPerMeter2
WattPerMeter3
WattPerMeterKelvin
Weber
WeberMeter
WeberPerMeter