Planck energy

The Planck energy is the natural unit of energy, denoted by E_P. E_P = c²(c / G)^1/2 ≈ 10¹⁹ GeV or 1.956 × 10⁹ J where: c is the speed of light in a vacuum

is Dirac's constant

G is the gravitational constant

See also

\n* Natural units\n* Planck length\n* Planck mass\n* Planck time Category:Units of energy\nEnergy