GSL constants

For more information about this constants see the documentation of GSL.

Constant	Description
c	The speed of light in vacuum
mu0	The permeability of free space
e0	The permittivity of free space
Na	Avogadro's number
F	The molar charge of 1 Faraday
k	The Boltzmann constant
R0	The molar gas constant
V0	The standard gas volume
Gauss	The magnetic field of 1 Gauss
mu	The length of 1 micron
ha	The area of 1 hectare
mph	The speed of 1 mile per hour
kmh	The speed of 1 kilometer per hour
au	The length of 1 astronomical unit (mean earth-sun distance)
G	The gravitational constant
ly	The distance of 1 light-year
pc	The distance of 1 parsec
g	The standard gravitational acceleration on Earth
ms	The mass of the Sun
e	The charge of the electron
eV	The energy of 1 electron volt
amu	The unified atomic mass
me	The mass of the electron
mmu	The mass of the muon
mp	The mass of the proton
mn	The mass of the neutron
alpha	The electromagnetic fine structure constant
Ry	The Rydberg constant
a0	The Bohr radius
A	The length of 1 angstrom
barn	The area of 1 barn
muB	The Bohr Magneton
muN	The Nuclear Magneton
mue	The magnetic moment of the electron
mup	The magnetic moment of the proton
min	The number of seconds in 1 minute
h	The number of seconds in 1 hour
d	The number of seconds in 1 day
week	The number of seconds in 1 week
in	The length of 1 inch
ft	The length of 1 foot
yard	The length of 1 yard
mile	The length of 1 mile
mil	The length of 1 mil (1/1000th of an inch)
nmile	The length of 1 nautical mile
fathom	The length of 1 fathom
knot	The speed of 1 knot
pt	The length of 1 printer's point (1/72 inch)
texpt	The length of 1 TeX point (1/72.27 inch)
acre	The area of 1 acre
ltr	The volume of 1 liter
us_gallon	The volume of 1 US gallon
can_gallon	The volume of 1 Canadian gallon
uk_gallon	The volume of 1 UK gallon
quart	The volume of 1 quart
pint	The volume of 1 pint
pound	The mass of 1 pound
ounce	The mass of 1 ounce
ton	The mass of 1 ton
mton	The mass of 1 metric ton (1000 kg)
uk_ton	The mass of 1 UK ton
troy_ounce	The mass of 1 troy ounce
carat	The mass of 1 carat
gram_force	The force of 1 gram weight
pound_force	The force of 1 pound weight
kilepound_force	The force of 1 kilopound weight
poundal	The force of 1 poundal
cal	The energy of 1 calorie
btu	The energy of 1 British Thermal Unit
therm	The energy of 1 Therm
hp	The power of 1 horsepower
bar	The pressure of 1 bar
atm	The pressure of 1 standard atmosphere
torr	The pressure of 1 torr
mhg	The pressure of 1 meter of mercury
inhg	The pressure of 1 inch of mercury
inh2o	The pressure of 1 inch of water
psi	The pressure of 1 pound per square inch
poise	The dynamic viscosity of 1 poise
stokes	The kinematic viscosity of 1 stokes
stilb	The luminance of 1 stilb
lumen	The luminous flux of 1 lumen
lux	The illuminance of 1 lux
phot	The illuminance of 1 phot
ftcandle	The illuminance of 1 footcandle
lambert	The luminance of 1 lambert
ftlambert	The luminance of 1 footlambert
curie	The activity of 1 curie
roentgen	The exposure of 1 roentgen
rad	The absorbed dose of 1 rad

The following constants are the same constants in cgs system :

Constant	Description
c_cgs
G_cgs
h_cgs
hbar_cgs
mu0_cgs
au_cgs
ly_cgs
pc_cgs
g_cgs
eV_cgs
me_cgs
mmu_cgs
mp_cgs
mn_cgs
Ry_cgs
k_cgs
muB_cgs
muN_cgs
mue_cgs
mup_cgs
R0_cgs
V0_cgs
in_cgs
ft_cgs
yard_cgs
mile_cgs
nile_cgs
fathom_cgs
mil_cgs
pt_cgs
texpt_cgs
mu_cgs
A_cgs
ha_cgs
acre_cgs
barn_cgs
ltr_cgs
us_gallon-cgs
quart_cgs
pint_cgs
cup_cgs
fluid_ouncs_cgs
tablespoon_cgs
teaspoon_cgs
can_gallon_cgs
uk_gallon_cgs
mph_cgs
kmh_cgs
knot_cgs
pound_cgs
ouncs_cgs
ton_cgs
mton_cgs
uk_ton_cgs
troy_ounce_cgs
carat_cgs
amu_cgs
gram_cgs
pound_force_cgs
kilopound_force_cgs
poundal_cgs
cal_cgs
btu_cgs
therm_cgs
hp_cgs
bar_cgs
atm_cgs
torr_cgs
mhg_cgs
inhg_cgs
inh2o_cgs
psi_cgs
poise_cgs
stokes_cgs
F_cgs
e_cgs
G_cgs
stilb_cgs
lumen_cgs
lux_cgs
phot_cgs
ftcandle_cgs
lambert_cgs
ftlambert_cgs
curie_cgs
roentgen_cgs
rad_cgs
sm_cgs
a0_cgs
e0_cgs