Table of units in Geant4

2010-12-15

#include "G4UnitsTable.hh"

G4UnitDefinition::PrintUnitsTable();

//print out the default units in unitsTable

../bin/Linux-g++/Hwater002 > h2o.txt

Here Hwater002 is the executable file, and the output will be kept in h20.txt.

Idle> /units/list

This UI command is used to show the units defined in Geant4.

 

          ----- The Table of Units -----

  category: Length

    parsec ( pc) = 3.08568e+19

 kilometer ( km) = 1e+06

     meter (  m) = 1000

centimeter ( cm) = 10

millimeter ( mm) = 1

micrometer ( um) = 0.001

 nanometer ( nm) = 1e-06

  angstrom (Ang) = 1e-07

     fermi ( fm) = 1e-12

  category: Surface

 kilometer2 (   km2) = 1e+12

     meter2 (    m2) = 1e+06

centimeter2 (   cm2) = 100

millimeter2 (   mm2) = 1

       barn (  barn) = 1e-22

  millibarn ( mbarn) = 1e-25

  microbarn (mubarn) = 1e-28

   nanobarn ( nbarn) = 1e-31

   picobarn ( pbarn) = 1e-34

  category: Volume

 kilometer3 (km3) = 1e+18

     meter3 ( m3) = 1e+09

centimeter3 (cm3) = 1000

millimeter3 (mm3) = 1

  category: Angle

     radian ( rad) = 1

milliradian (mrad) = 0.001

  steradian (  sr) = 1

     degree ( deg) = 0.0174533

  category: Time

     second (  s) = 1e+09

millisecond ( ms) = 1e+06

microsecond (mus) = 1000

 nanosecond ( ns) = 1

 picosecond ( ps) = 0.001

  category: Frequency

    hertz ( Hz) = 1e-09

kilohertz (kHz) = 1e-06

megahertz (MHz) = 0.001

  category: Electric charge

  eplus (e+) = 1

coulomb ( C) = 6.24151e+18

  category: Energy

    electronvolt ( eV) = 1e-06

kiloelectronvolt (keV) = 0.001

megaelectronvolt (MeV) = 1

gigaelectronvolt (GeV) = 1000

teraelectronvolt (TeV) = 1e+06

petaelectronvolt (PeV) = 1e+09

           joule (  J) = 6.24151e+12

  category: Energy/Length

GeV/cm (GeV/cm) = 100

MeV/cm (MeV/cm) = 0.1

keV/cm (keV/cm) = 0.0001

 eV/cm ( eV/cm) = 1e-07

  category: Mass

milligram (mg) = 6.24151e+18

     gram ( g) = 6.24151e+21

 kilogram (kg) = 6.24151e+24

  category: Volumic Mass

 g/cm3 ( g/cm3) = 6.24151e+18

mg/cm3 (mg/cm3) = 6.24151e+15

 kg/m3 ( kg/m3) = 6.24151e+15

  category: Mass/Surface

 g/cm2 ( g/cm2) = 6.24151e+19

mg/cm2 (mg/cm2) = 6.24151e+16

kg/cm2 (kg/cm2) = 6.24151e+22

  category: Surface/Mass

cm2/g (cm2/g) = 1.60218e-20

  category: Energy*Surface/Mass

 eV*cm2/g ( eV*cm2/g) = 1.60218e-26

keV*cm2/g (keV*cm2/g) = 1.60218e-23

MeV*cm2/g (MeV*cm2/g) = 1.60218e-20

GeV*cm2/g (GeV*cm2/g) = 1.60218e-17

  category: Power

watt (W) = 6241.51

  category: Force

newton (N) = 6.24151e+09

  category: Pressure

    pascal ( Pa) = 6241.51

       bar (bar) = 6.24151e+08

atmosphere (atm) = 6.32421e+08

  category: Electric current

     ampere (  A) = 6.24151e+09

milliampere ( mA) = 6.24151e+06

microampere (muA) = 6241.51

 nanoampere ( nA) = 6.24151

  category: Electric potential

    volt ( V) = 1e-06

kilovolt (kV) = 0.001

megavolt (MV) = 1

  category: Electric field

volt/m (V/m) = 1e-09

  category: Magnetic flux

weber (Wb) = 1000

  category: Magnetic flux density

    tesla ( T) = 0.001

kilogauss (kG) = 0.0001

    gauss ( G) = 1e-07

  category: Temperature

kelvin (K) = 1

  category: Amount of substance

mole (mol) = 1

  category: Activity

becquerel (Bq) = 1e-09

    curie (Ci) = 37

  category: Dose

gray (Gy) = 1e-12