Universal Constants - Physics

NAME SYMBOL VALUE

Characteristic Impedence of Vacuum Z₀ 376.730313461 Ω

Constant, Dirac's ħ
(h bar) 1.054571596(82) × 10^-34 J s
6.58211889(26) × 10^-16 eV s

Constant, Electric (1/µ₀c²) ε₀ 8.854187817 × 10^-12 F m^-1

Constant, Fermi 1.4 × 10^-50 J m^-3

Constant, Magnetic µ₀ 4π × 10^-7 N A^-2
12.566370614 × 10^-7 N A^-2

Constant, Planck (h) h 6.62606876(52) × 10^-34 J s
4.13566727(16) × 10^-15 eV s

Constants, Planck (h/2π) ħ
(h bar) 1.054571596(82) × 10^-34 J s
6.58211889(26) × 10^-16 eV s

Dirac's Constant ħ
(h bar) 1.054571596(82) × 10^-34 J s
6.58211889(26) × 10^-16 eV s

Electric Constant (1/µ₀c²) ε₀ 8.854187817 × 10^-12 F m^-1

Fermi Constant 1.4 × 10^-50 J m^-3