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Physical constant

Vacuum Permeability

The magnetic constant relating current to magnetic field.

μ₀ = 1.256637×10⁻⁶ H/m

Other constants

Speed of Light Gravitational Constant Planck Constant Reduced Planck Constant Elementary Charge Boltzmann Constant Avogadro Constant Gas Constant Vacuum Permittivity Electron Mass Proton Mass Stefan–Boltzmann Constant