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Physical constant

Gravitational Constant

Newton's constant, setting the strength of gravity.

G = 6.674×10⁻¹¹ m³/(kg·s²)

Other constants

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