{"speed_of_light",GSL_CONST_MKSA_SPEED_OF_LIGHT,"m / s"}, {"gravitational_constant",GSL_CONST_MKSA_GRAVITATIONAL_CONSTANT,"m^3 / kg s^2"}, {"plancks_constant_h",GSL_CONST_MKSA_PLANCKS_CONSTANT_H,"kg m^2 / s"}, {"plancks_constant_hbar",GSL_CONST_MKSA_PLANCKS_CONSTANT_HBAR,"kg m^2 / s"}, {"astronomical_unit",GSL_CONST_MKSA_ASTRONOMICAL_UNIT,"m"}, {"light_year",GSL_CONST_MKSA_LIGHT_YEAR,"m"}, {"parsec",GSL_CONST_MKSA_PARSEC,"m"}, {"grav_accel",GSL_CONST_MKSA_GRAV_ACCEL,"m / s^2"}, {"electron_volt",GSL_CONST_MKSA_ELECTRON_VOLT,"kg m^2 / s^2"}, {"mass_electron",GSL_CONST_MKSA_MASS_ELECTRON,"kg"}, {"mass_muon",GSL_CONST_MKSA_MASS_MUON,"kg"}, {"mass_proton",GSL_CONST_MKSA_MASS_PROTON,"kg"}, {"mass_neutron",GSL_CONST_MKSA_MASS_NEUTRON,"kg"}, {"rydberg",GSL_CONST_MKSA_RYDBERG,"kg m^2 / s^2"}, {"boltzmann",GSL_CONST_MKSA_BOLTZMANN,"kg m^2 / K s^2"}, {"bohr_magneton",GSL_CONST_MKSA_BOHR_MAGNETON,"A m^2"}, {"nuclear_magneton",GSL_CONST_MKSA_NUCLEAR_MAGNETON,"A m^2"}, {"electron_magnetic_moment",GSL_CONST_MKSA_ELECTRON_MAGNETIC_MOMENT,"A m^2"}, {"proton_magnetic_moment",GSL_CONST_MKSA_PROTON_MAGNETIC_MOMENT,"A m^2"}, {"molar_gas",GSL_CONST_MKSA_MOLAR_GAS,"kg m^2 / K mol s^2"}, {"standard_gas_volume",GSL_CONST_MKSA_STANDARD_GAS_VOLUME,"m^3 / mol"}, {"minute",GSL_CONST_MKSA_MINUTE,"s"}, {"hour",GSL_CONST_MKSA_HOUR,"s"}, {"day",GSL_CONST_MKSA_DAY,"s"}, {"week",GSL_CONST_MKSA_WEEK,"s"}, {"inch",GSL_CONST_MKSA_INCH,"m"}, {"foot",GSL_CONST_MKSA_FOOT,"m"}, {"yard",GSL_CONST_MKSA_YARD,"m"}, {"mile",GSL_CONST_MKSA_MILE,"m"}, {"nautical_mile",GSL_CONST_MKSA_NAUTICAL_MILE,"m"}, {"fathom",GSL_CONST_MKSA_FATHOM,"m"}, {"mil",GSL_CONST_MKSA_MIL,"m"}, {"point",GSL_CONST_MKSA_POINT,"m"}, {"texpoint",GSL_CONST_MKSA_TEXPOINT,"m"}, {"micron",GSL_CONST_MKSA_MICRON,"m"}, {"angstrom",GSL_CONST_MKSA_ANGSTROM,"m"}, {"hectare",GSL_CONST_MKSA_HECTARE,"m^2"}, {"acre",GSL_CONST_MKSA_ACRE,"m^2"}, {"barn",GSL_CONST_MKSA_BARN,"m^2"}, {"liter",GSL_CONST_MKSA_LITER,"m^3"}, {"us_gallon",GSL_CONST_MKSA_US_GALLON,"m^3"}, {"quart",GSL_CONST_MKSA_QUART,"m^3"}, {"pint",GSL_CONST_MKSA_PINT,"m^3"}, {"cup",GSL_CONST_MKSA_CUP,"m^3"}, {"fluid_ounce",GSL_CONST_MKSA_FLUID_OUNCE,"m^3"}, {"tablespoon",GSL_CONST_MKSA_TABLESPOON,"m^3"}, {"teaspoon",GSL_CONST_MKSA_TEASPOON,"m^3"}, {"canadian_gallon",GSL_CONST_MKSA_CANADIAN_GALLON,"m^3"}, {"uk_gallon",GSL_CONST_MKSA_UK_GALLON,"m^3"}, {"miles_per_hour",GSL_CONST_MKSA_MILES_PER_HOUR,"m / s"}, {"kilometers_per_hour",GSL_CONST_MKSA_KILOMETERS_PER_HOUR,"m / s"}, {"knot",GSL_CONST_MKSA_KNOT,"m / s"}, {"pound_mass",GSL_CONST_MKSA_POUND_MASS,"kg"}, {"ounce_mass",GSL_CONST_MKSA_OUNCE_MASS,"kg"}, {"ton",GSL_CONST_MKSA_TON,"kg"}, {"metric_ton",GSL_CONST_MKSA_METRIC_TON,"kg"}, {"uk_ton",GSL_CONST_MKSA_UK_TON,"kg"}, {"troy_ounce",GSL_CONST_MKSA_TROY_OUNCE,"kg"}, {"carat",GSL_CONST_MKSA_CARAT,"kg"}, {"unified_atomic_mass",GSL_CONST_MKSA_UNIFIED_ATOMIC_MASS,"kg"}, {"gram_force",GSL_CONST_MKSA_GRAM_FORCE,"kg m / s^2"}, {"pound_force",GSL_CONST_MKSA_POUND_FORCE,"kg m / s^2"}, {"kilopound_force",GSL_CONST_MKSA_KILOPOUND_FORCE,"kg m / s^2"}, {"poundal",GSL_CONST_MKSA_POUNDAL,"kg m / s^2"}, {"calorie",GSL_CONST_MKSA_CALORIE,"kg m^2 / s^2"}, {"btu",GSL_CONST_MKSA_BTU,"kg m^2 / s^2"}, {"therm",GSL_CONST_MKSA_THERM,"kg m^2 / s^2"}, {"horsepower",GSL_CONST_MKSA_HORSEPOWER,"kg m^2 / s^3"}, {"bar",GSL_CONST_MKSA_BAR,"kg / m s^2"}, {"std_atmosphere",GSL_CONST_MKSA_STD_ATMOSPHERE,"kg / m s^2"}, {"torr",GSL_CONST_MKSA_TORR,"kg / m s^2"}, {"meter_of_mercury",GSL_CONST_MKSA_METER_OF_MERCURY,"kg / m s^2"}, {"inch_of_mercury",GSL_CONST_MKSA_INCH_OF_MERCURY,"kg / m s^2"}, {"inch_of_water",GSL_CONST_MKSA_INCH_OF_WATER,"kg / m s^2"}, {"psi",GSL_CONST_MKSA_PSI,"kg / m s^2"}, {"poise",GSL_CONST_MKSA_POISE,"kg m^-1 s^-1"}, {"stokes",GSL_CONST_MKSA_STOKES,"m^2 / s"}, {"faraday",GSL_CONST_MKSA_FARADAY,"A s / mol"}, {"electron_charge",GSL_CONST_MKSA_ELECTRON_CHARGE,"A s"}, {"gauss",GSL_CONST_MKSA_GAUSS,"kg / A s^2"}, {"stilb",GSL_CONST_MKSA_STILB,"cd / m^2"}, {"lumen",GSL_CONST_MKSA_LUMEN,"cd sr"}, {"lux",GSL_CONST_MKSA_LUX,"cd sr / m^2"}, {"phot",GSL_CONST_MKSA_PHOT,"cd sr / m^2"}, {"footcandle",GSL_CONST_MKSA_FOOTCANDLE,"cd sr / m^2"}, {"lambert",GSL_CONST_MKSA_LAMBERT,"cd sr / m^2"}, {"footlambert",GSL_CONST_MKSA_FOOTLAMBERT,"cd sr / m^2"}, {"curie",GSL_CONST_MKSA_CURIE,"1 / s"}, {"roentgen",GSL_CONST_MKSA_ROENTGEN,"A s / kg"}, {"rad",GSL_CONST_MKSA_RAD,"m^2 / s^2"}, {"solar_mass",GSL_CONST_MKSA_SOLAR_MASS,"kg"}, {"bohr_radius",GSL_CONST_MKSA_BOHR_RADIUS,"m"}, {"newton",GSL_CONST_MKSA_NEWTON,"kg m / s^2"}, {"dyne",GSL_CONST_MKSA_DYNE,"kg m / s^2"}, {"joule",GSL_CONST_MKSA_JOULE,"kg m^2 / s^2"}, {"erg",GSL_CONST_MKSA_ERG,"kg m^2 / s^2"}, {"vacuum_permittivity",GSL_CONST_MKSA_VACUUM_PERMITTIVITY,"A^2 s^4 / kg m^3"}, {"vacuum_permeability",GSL_CONST_MKSA_VACUUM_PERMEABILITY,"kg m / A^2 s^2"},