Common Constants in Physics

Identifier	Value	Units	Description
uc_AtomicMass	1.6605387310-27	kg	atomic mass constant
uc_AtomicMass_Energy	1.4924177810-10	J	atomic mass constant energy equivalent
uc_Bar	1105	kg m-1 s-2	bar (pressure)
uc_Barn	110-28	m2	barn (cross section)
uc_Boltzmann	1.380650310-23	J K-1	Boltzmann constant k
uc_Boltzmann_eVK	8.61734210-5	eV K-1	Boltzmann constant k in eV/K
uc_Curie	3.71010	s-1	Curie
uc_Dyne	110-5	kg m s-2	dyne
uc_Erg	110-7	kg m2 s-2	erg
uc_Gauss	110-4	kg a-1 s-2	Gauss
uc_GramForce	9.8066510-3	kg m s-2	gram (force)
uc_InchMercury	3.38638815789103	kg m-1 s-2	inch mercury
uc_InchWater	2.490889102	kg m-1 s-2	inch water
uc_Joule	1100	kg m2 s-2	Joule
uc_Lambert	1104	cd sr m-2	Lambert
uc_Lumen	1100	cd sr	lumen
uc_Lux	1100	cd sr m-2	lux
uc_MassElectron	9.1093818810-31	kg	mass of electron
uc_MassMuon	1.8835310910-28	kg	mass of muon
uc_MassNeutron	1.6749271610-27	kg	mass of neutron
uc_MassProton	1.6726215810-27	kg	mass of proton
uc_Newton	1100	kg m s-2	Newton (force)
uc_Phot	1104	cd sr m-2	phot
uc_PlanckH	6.6260687610-34	J s	Planck constant h
uc_PlanckH_eVs	4.1356672710-15	eV s	Planck constant h in eV s
uc_PlanckHBar	1.05457159610-34	J s	Planck constant h/2Pi
uc_PlanckHBar_eVs	6.5821188910-16	eV s	Planck constant h/2Pi in eV s
uc_PlanckLength	1.616010-35	m	Planck length
uc_PlanckMass	2.176710-8	kg	Planck mass
uc_PlanckTime	5.390610-44	s	Planck time
uc_SpeedLight	2.99792458108	m s-1	speed of light in vacuum
uc_Poise	110-1	kg m-1 s-1	Poise
uc_ProtonMagneticMoment	1.41060663310-26	A m2	magnetic moment of a proton
uc_Rad	110-2	m2 s-2	rad
uc_Roentgen	2.5810-4	a s kg-1	Roentgen
uc_Stilb	1104	cd m-2	stilb
uc_Stokes	110-4	m2 s-1	Stokes
uc_Torr	1.33322368421102	kg m-1 s-2	Torr