Planck Time

Planck Time is the time needed for a photon to travel a distance of 1 Planck length in vacuum. It can be derived as √h'G / c5. The value is approximately equal to 5.391 x 10^-44 s. It was derived by Planck using the constants (G and h')used in relativity and quantum theory.

Constant Name

Planck Time

Symbol : tP

Unit : s

Value : 5.391 06(32) × 10−44

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