SI

java.lang.Object
- javax.measure.unit.SystemOfUnits
- - javax.measure.unit.SI

```
public final class SI
extends SystemOfUnits
```
This class contains SI (Système International d'Unités) base units, and derived units.

It also defines the 20 SI prefixes used to form decimal multiples and submultiples of SI units. For example:[code] import static org.jscience.physics.units.SI.*; // Static import. ... Unit HECTO_PASCAL = HECTO(PASCAL); Unit KILO_METER = KILO(METER); [/code]

Version:

4.2, August 26, 2006

Author:

Jean-Marie Dautelle

See Also:

Wikipedia: SI, Wikipedia: SI prefix

Field Summary

Fields
Modifier and Type	Field and Description
`static BaseUnit<ElectricCurrent>`	`AMPERE` The base unit for electric current quantities (`A`).
`static AlternateUnit<RadioactiveActivity>`	`BECQUEREL` The derived unit for activity of a radionuclide (`Bq`).
`static AlternateUnit<DataAmount>`	`BIT` The unit for binary information (`bit`).
`static BaseUnit<LuminousIntensity>`	`CANDELA` The base unit for luminous intensity quantities (`cd`).
`static Unit<Temperature>`	`CELSIUS` The derived unit for Celsius temperature (`℃`).
`static Unit<Length>`	`CENTIMETER` Equivalent to `CENTIMETRE`.
`static Unit<Length>`	`CENTIMETRE` Equivalent to `CENTI(METRE)`.
`static AlternateUnit<ElectricCharge>`	`COULOMB` The derived unit for electric charge, quantity of electricity (`C`).
`static Unit<Volume>`	`CUBIC_METRE` The metric unit for volume quantities (`m³`).
`static AlternateUnit<ElectricCapacitance>`	`FARAD` The derived unit for capacitance (`F`).
`static Unit<Mass>`	`GRAM` The derived unit for mass quantities (`g`).
`static AlternateUnit<RadiationDoseAbsorbed>`	`GRAY` The derived unit for absorbed dose, specific energy (imparted), kerma (`Gy`).
`static AlternateUnit<ElectricInductance>`	`HENRY` The derived unit for inductance (`H`).
`static AlternateUnit<Frequency>`	`HERTZ` The derived unit for frequency (`Hz`).
`static AlternateUnit<Energy>`	`JOULE` The derived unit for energy, work, quantity of heat (`J`).
`static AlternateUnit<CatalyticActivity>`	`KATAL` The derived unit for catalytic activity (`kat`).
`static BaseUnit<Temperature>`	`KELVIN` The base unit for thermodynamic temperature quantities (`K`).
`static BaseUnit<Mass>`	`KILOGRAM` The base unit for mass quantities (`kg`).
`static Unit<Length>`	`KILOMETER` Equivalent to `KILOMETRE`.
`static Unit<Length>`	`KILOMETRE` Equivalent to `KILO(METRE)`.
`static AlternateUnit<LuminousFlux>`	`LUMEN` The derived unit for luminous flux (`lm`).
`static AlternateUnit<Illuminance>`	`LUX` The derived unit for illuminance (`lx`).
`static Unit<Length>`	`METER` Equivalent to `METRE` (American spelling).
`static Unit<Velocity>`	`METERS_PER_SECOND` Equivalent to `METRES_PER_SECOND`.
`static Unit<Acceleration>`	`METERS_PER_SQUARE_SECOND` Equivalent to `METRES_PER_SQUARE_SECOND`.
`static BaseUnit<Length>`	`METRE` The base unit for length quantities (`m`).
`static Unit<Velocity>`	`METRE_PER_SECOND` Deprecated. replaced by `METRES_PER_SECOND`.
`static Unit<Acceleration>`	`METRE_PER_SQUARE_SECOND` Deprecated. replaced by `METRES_PER_SQUARE_SECOND`.
`static Unit<Velocity>`	`METRES_PER_SECOND` The metric unit for velocity quantities (`m/s`).
`static Unit<Acceleration>`	`METRES_PER_SQUARE_SECOND` The metric unit for acceleration quantities (`m/s²`).
`static Unit<Length>`	`MILLIMETER` Equivalent to `MILLIMETRE`.
`static Unit<Length>`	`MILLIMETRE` Equivalent to `MILLI(METRE)`.
`static BaseUnit<AmountOfSubstance>`	`MOLE` The base unit for amount of substance quantities (`mol`).
`static AlternateUnit<Force>`	`NEWTON` The derived unit for force (`N`).
`static AlternateUnit<ElectricResistance>`	`OHM` The derived unit for electric resistance (`Ω` or `Ohm`).
`static AlternateUnit<Pressure>`	`PASCAL` The derived unit for pressure, stress (`Pa`).
`static AlternateUnit<Angle>`	`RADIAN` The unit for plane angle quantities (`rad`).
`static BaseUnit<Duration>`	`SECOND` The base unit for duration quantities (`s`).
`static AlternateUnit<ElectricConductance>`	`SIEMENS` The derived unit for electric conductance (`S`).
`static AlternateUnit<RadiationDoseEffective>`	`SIEVERT` The derived unit for dose equivalent (`Sv`).
`static Unit<Area>`	`SQUARE_METRE` The metric unit for area quantities (`m²`).
`static AlternateUnit<SolidAngle>`	`STERADIAN` The unit for solid angle quantities (`sr`).
`static AlternateUnit<MagneticFluxDensity>`	`TESLA` The derived unit for magnetic flux density (`T`).
`static AlternateUnit<ElectricPotential>`	`VOLT` The derived unit for electric potential difference, electromotive force (`V`).
`static AlternateUnit<Power>`	`WATT` The derived unit for power, radiant, flux (`W`).
`static AlternateUnit<MagneticFlux>`	`WEBER` The derived unit for magnetic flux (`Wb`).

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static <Q extends Quantity> Unit<Q>`	`ATTO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-18`
`static <Q extends Quantity> Unit<Q>`	`CENTI(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-2`
`static <Q extends Quantity> Unit<Q>`	`DECI(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-1`
`static <Q extends Quantity> Unit<Q>`	`DEKA(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10¹`
`static <Q extends Quantity> Unit<Q>`	`EXA(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10¹⁸`
`static <Q extends Quantity> Unit<Q>`	`FEMTO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-15`
`static SI`	`getInstance()` Returns the unique instance of this class.
`java.util.Set<Unit<?>>`	`getUnits()` Returns a read only view over theunits defined in this class.
`static <Q extends Quantity> Unit<Q>`	`GIGA(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10⁹`
`static <Q extends Quantity> Unit<Q>`	`HECTO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10²`
`static <Q extends Quantity> Unit<Q>`	`KILO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10³`
`static <Q extends Quantity> Unit<Q>`	`MEGA(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10⁶`
`static <Q extends Quantity> Unit<Q>`	`MICRO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-6`
`static <Q extends Quantity> Unit<Q>`	`MILLI(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-3`
`static <Q extends Quantity> Unit<Q>`	`NANO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-9`
`static <Q extends Quantity> Unit<Q>`	`PETA(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10¹⁵`
`static <Q extends Quantity> Unit<Q>`	`PICO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-12`
`static <Q extends Quantity> Unit<Q>`	`TERA(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10¹²`
`static <Q extends Quantity> Unit<Q>`	`YOCTO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-24`
`static <Q extends Quantity> Unit<Q>`	`YOTTA(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10²⁴`
`static <Q extends Quantity> Unit<Q>`	`ZEPTO(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10^-21`
`static <Q extends Quantity> Unit<Q>`	`ZETTA(Unit<Q> unit)` Returns the specified unit multiplied by the factor `10²¹`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - AMPERE
```
public static final BaseUnit<ElectricCurrent> AMPERE
```
    The base unit for electric current quantities (A). The Ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would produce between these conductors a force equal to 2 × 10-7 newton per metre of length. It is named after the French physicist Andre Ampere (1775-1836).
  - CANDELA
```
public static final BaseUnit<LuminousIntensity> CANDELA
```
    The base unit for luminous intensity quantities (cd). The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian
    
    See Also:
    
    Wikipedia: Candela
  - KELVIN
```
public static final BaseUnit<Temperature> KELVIN
```
    The base unit for thermodynamic temperature quantities (K). The kelvin is the 1/273.16th of the thermodynamic temperature of the triple point of water. It is named after the Scottish mathematician and physicist William Thomson 1st Lord Kelvin (1824-1907)
  - KILOGRAM
```
public static final BaseUnit<Mass> KILOGRAM
```
    The base unit for mass quantities (kg). It is the only SI unit with a prefix as part of its name and symbol. The kilogram is equal to the mass of an international prototype in the form of a platinum-iridium cylinder kept at Sevres in France.
    
    See Also:
    
    GRAM
  - METRE
```
public static final BaseUnit<Length> METRE
```
    The base unit for length quantities (m). One meter was redefined in 1983 as the distance traveled by light in a vacuum in 1/299,792,458 of a second.
  - METER
```
public static final Unit<Length> METER
```
    Equivalent to METRE (American spelling).
  - MOLE
```
public static final BaseUnit<AmountOfSubstance> MOLE
```
    The base unit for amount of substance quantities (mol). The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12.
  - SECOND
```
public static final BaseUnit<Duration> SECOND
```
    The base unit for duration quantities (s). It is defined as the duration of 9,192,631,770 cycles of radiation corresponding to the transition between two hyperfine levels of the ground state of cesium (1967 Standard).
  - GRAM
```
public static final Unit<Mass> GRAM
```
    The derived unit for mass quantities (g). The base unit for mass quantity is KILOGRAM.
  - RADIAN
```
public static final AlternateUnit<Angle> RADIAN
```
    The unit for plane angle quantities (rad). One radian is the angle between two radii of a circle such that the length of the arc between them is equal to the radius.
  - STERADIAN
```
public static final AlternateUnit<SolidAngle> STERADIAN
```
    The unit for solid angle quantities (sr). One steradian is the solid angle subtended at the center of a sphere by an area on the surface of the sphere that is equal to the radius squared. The total solid angle of a sphere is 4*Pi steradians.
  - BIT
```
public static final AlternateUnit<DataAmount> BIT
```
    The unit for binary information (bit).
  - HERTZ
```
public static final AlternateUnit<Frequency> HERTZ
```
    The derived unit for frequency (Hz). A unit of frequency equal to one cycle per second. After Heinrich Rudolf Hertz (1857-1894), German physicist who was the first to produce radio waves artificially.
  - NEWTON
```
public static final AlternateUnit<Force> NEWTON
```
    The derived unit for force (N). One newton is the force required to give a mass of 1 kilogram an Force of 1 metre per second per second. It is named after the English mathematician and physicist Sir Isaac Newton (1642-1727).
  - PASCAL
```
public static final AlternateUnit<Pressure> PASCAL
```
    The derived unit for pressure, stress (Pa). One pascal is equal to one newton per square meter. It is named after the French philosopher and mathematician Blaise Pascal (1623-1662).
  - JOULE
```
public static final AlternateUnit<Energy> JOULE
```
    The derived unit for energy, work, quantity of heat (J). One joule is the amount of work done when an applied force of 1 newton moves through a distance of 1 metre in the direction of the force. It is named after the English physicist James Prescott Joule (1818-1889).
  - WATT
```
public static final AlternateUnit<Power> WATT
```
    The derived unit for power, radiant, flux (W). One watt is equal to one joule per second. It is named after the British scientist James Watt (1736-1819).
  - COULOMB
```
public static final AlternateUnit<ElectricCharge> COULOMB
```
    The derived unit for electric charge, quantity of electricity (C). One Coulomb is equal to the quantity of charge transferred in one second by a steady current of one ampere. It is named after the French physicist Charles Augustin de Coulomb (1736-1806).
  - VOLT
```
public static final AlternateUnit<ElectricPotential> VOLT
```
    The derived unit for electric potential difference, electromotive force (V). One Volt is equal to the difference of electric potential between two points on a conducting wire carrying a constant current of one ampere when the power dissipated between the points is one watt. It is named after the Italian physicist Count Alessandro Volta (1745-1827).
  - FARAD
```
public static final AlternateUnit<ElectricCapacitance> FARAD
```
    The derived unit for capacitance (F). One Farad is equal to the capacitance of a capacitor having an equal and opposite charge of 1 coulomb on each plate and a potential difference of 1 volt between the plates. It is named after the British physicist and chemist Michael Faraday (1791-1867).
  - OHM
```
public static final AlternateUnit<ElectricResistance> OHM
```
    The derived unit for electric resistance (Ω or Ohm). One Ohm is equal to the resistance of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals. It is named after the German physicist Georg Simon Ohm (1789-1854).
  - SIEMENS
```
public static final AlternateUnit<ElectricConductance> SIEMENS
```
    The derived unit for electric conductance (S). One Siemens is equal to one ampere per volt. It is named after the German engineer Ernst Werner von Siemens (1816-1892).
  - WEBER
```
public static final AlternateUnit<MagneticFlux> WEBER
```
    The derived unit for magnetic flux (Wb). One Weber is equal to the magnetic flux that in linking a circuit of one turn produces in it an electromotive force of one volt as it is uniformly reduced to zero within one second. It is named after the German physicist Wilhelm Eduard Weber (1804-1891).
  - TESLA
```
public static final AlternateUnit<MagneticFluxDensity> TESLA
```
    The derived unit for magnetic flux density (T). One Tesla is equal equal to one weber per square meter. It is named after the Serbian-born American electrical engineer and physicist Nikola Tesla (1856-1943).
  - HENRY
```
public static final AlternateUnit<ElectricInductance> HENRY
```
    The derived unit for inductance (H). One Henry is equal to the inductance for which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second. It is named after the American physicist Joseph Henry (1791-1878).
  - CELSIUS
```
public static final Unit<Temperature> CELSIUS
```
    The derived unit for Celsius temperature (℃). This is a unit of temperature such as the freezing point of water (at one atmosphere of pressure) is 0 ℃, while the boiling point is 100 ℃.
  - LUMEN
```
public static final AlternateUnit<LuminousFlux> LUMEN
```
    The derived unit for luminous flux (lm). One Lumen is equal to the amount of light given out through a solid angle by a source of one candela intensity radiating equally in all directions.
  - LUX
```
public static final AlternateUnit<Illuminance> LUX
```
    The derived unit for illuminance (lx). One Lux is equal to one lumen per square meter.
  - BECQUEREL
```
public static final AlternateUnit<RadioactiveActivity> BECQUEREL
```
    The derived unit for activity of a radionuclide (Bq). One becquerel is the radiation caused by one disintegration per second. It is named after the French physicist, Antoine-Henri Becquerel (1852-1908).
  - GRAY
```
public static final AlternateUnit<RadiationDoseAbsorbed> GRAY
```
    The derived unit for absorbed dose, specific energy (imparted), kerma (Gy). One gray is equal to the dose of one joule of energy absorbed per one kilogram of matter. It is named after the British physician L. H. Gray (1905-1965).
  - SIEVERT
```
public static final AlternateUnit<RadiationDoseEffective> SIEVERT
```
    The derived unit for dose equivalent (Sv). One Sievert is equal is equal to the actual dose, in grays, multiplied by a "quality factor" which is larger for more dangerous forms of radiation. It is named after the Swedish physicist Rolf Sievert (1898-1966).
  - KATAL
```
public static final AlternateUnit<CatalyticActivity> KATAL
```
    The derived unit for catalytic activity (kat).
  - METRES_PER_SECOND
```
public static final Unit<Velocity> METRES_PER_SECOND
```
    The metric unit for velocity quantities (m/s).
  - METERS_PER_SECOND
```
public static final Unit<Velocity> METERS_PER_SECOND
```
    Equivalent to METRES_PER_SECOND.
  - METRES_PER_SQUARE_SECOND
```
public static final Unit<Acceleration> METRES_PER_SQUARE_SECOND
```
    The metric unit for acceleration quantities (m/s²).
  - METERS_PER_SQUARE_SECOND
```
public static final Unit<Acceleration> METERS_PER_SQUARE_SECOND
```
    Equivalent to METRES_PER_SQUARE_SECOND.
  - SQUARE_METRE
```
public static final Unit<Area> SQUARE_METRE
```
    The metric unit for area quantities (m²).
  - CUBIC_METRE
```
public static final Unit<Volume> CUBIC_METRE
```
    The metric unit for volume quantities (m³).
  - KILOMETRE
```
public static final Unit<Length> KILOMETRE
```
    Equivalent to KILO(METRE).
  - KILOMETER
```
public static final Unit<Length> KILOMETER
```
    Equivalent to KILOMETRE.
  - CENTIMETRE
```
public static final Unit<Length> CENTIMETRE
```
    Equivalent to CENTI(METRE).
  - CENTIMETER
```
public static final Unit<Length> CENTIMETER
```
    Equivalent to CENTIMETRE.
  - MILLIMETRE
```
public static final Unit<Length> MILLIMETRE
```
    Equivalent to MILLI(METRE).
  - MILLIMETER
```
public static final Unit<Length> MILLIMETER
```
    Equivalent to MILLIMETRE.
  - METRE_PER_SECOND
```
public static final Unit<Velocity> METRE_PER_SECOND
```
    Deprecated. replaced by METRES_PER_SECOND.
  - METRE_PER_SQUARE_SECOND
```
public static final Unit<Acceleration> METRE_PER_SQUARE_SECOND
```
    Deprecated. replaced by METRES_PER_SQUARE_SECOND.
- Method Detail
  - getInstance
```
public static SI getInstance()
```
    Returns the unique instance of this class.
    
    Returns:
    
    the SI instance.
  - YOTTA
```
public static <Q extends Quantity> Unit<Q> YOTTA(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10²⁴
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e24).
  - ZETTA
```
public static <Q extends Quantity> Unit<Q> ZETTA(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10²¹
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e21).
  - EXA
```
public static <Q extends Quantity> Unit<Q> EXA(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10¹⁸
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e18).
  - PETA
```
public static <Q extends Quantity> Unit<Q> PETA(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10¹⁵
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e15).
  - TERA
```
public static <Q extends Quantity> Unit<Q> TERA(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10¹²
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e12).
  - GIGA
```
public static <Q extends Quantity> Unit<Q> GIGA(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10⁹
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e9).
  - MEGA
```
public static <Q extends Quantity> Unit<Q> MEGA(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10⁶
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e6).
  - KILO
```
public static <Q extends Quantity> Unit<Q> KILO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10³
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e3).
  - HECTO
```
public static <Q extends Quantity> Unit<Q> HECTO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10²
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e2).
  - DEKA
```
public static <Q extends Quantity> Unit<Q> DEKA(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10¹
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e1).
  - DECI
```
public static <Q extends Quantity> Unit<Q> DECI(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-1
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-1).
  - CENTI
```
public static <Q extends Quantity> Unit<Q> CENTI(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-2
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-2).
  - MILLI
```
public static <Q extends Quantity> Unit<Q> MILLI(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-3
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-3).
  - MICRO
```
public static <Q extends Quantity> Unit<Q> MICRO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-6
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-6).
  - NANO
```
public static <Q extends Quantity> Unit<Q> NANO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-9
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-9).
  - PICO
```
public static <Q extends Quantity> Unit<Q> PICO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-12
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-12).
  - FEMTO
```
public static <Q extends Quantity> Unit<Q> FEMTO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-15
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-15).
  - ATTO
```
public static <Q extends Quantity> Unit<Q> ATTO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-18
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-18).
  - ZEPTO
```
public static <Q extends Quantity> Unit<Q> ZEPTO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-21
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-21).
  - YOCTO
```
public static <Q extends Quantity> Unit<Q> YOCTO(Unit<Q> unit)
```
    Returns the specified unit multiplied by the factor 10^-24
    
    Parameters:
    
    unit - any unit.
    
    Returns:
    
    unit.multiply(1e-24).
  - getUnits
```
public java.util.Set<Unit<?>> getUnits()
```
    Returns a read only view over theunits defined in this class.
    
    Specified by:
    
    getUnits in class SystemOfUnits
    
    Returns:
    
    the collection of SI units.

Class SI

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

AMPERE

CANDELA

KELVIN

KILOGRAM

METRE

METER

MOLE

SECOND

GRAM

RADIAN

STERADIAN

BIT

HERTZ

NEWTON

PASCAL

JOULE

WATT

COULOMB

VOLT

FARAD

OHM

SIEMENS

WEBER

TESLA

HENRY

CELSIUS

LUMEN

LUX

BECQUEREL

GRAY

SIEVERT

KATAL

METRES_PER_SECOND

METERS_PER_SECOND

METRES_PER_SQUARE_SECOND

METERS_PER_SQUARE_SECOND

SQUARE_METRE

CUBIC_METRE

KILOMETRE

KILOMETER

CENTIMETRE

CENTIMETER

MILLIMETRE

MILLIMETER

METRE_PER_SECOND

METRE_PER_SQUARE_SECOND

Method Detail

getInstance

YOTTA

ZETTA

EXA

PETA

TERA

GIGA

MEGA

KILO

HECTO

DEKA

DECI

CENTI

MILLI

MICRO

NANO

PICO

FEMTO

ATTO

ZEPTO

YOCTO

getUnits