Planck temperature = 1.416 784 × 1032 K

Value
1.416 784 × 1032
Unit
K
Uncertainty
0.000 016 × 10³²
Copy-ready
1.416784e32

The Planck temperature, built from G, ℏ and c alone.

The scale at which quantum effects of gravity should matter — far beyond any experiment, and the reason G limits its precision.

NIST, Fundamental Physical Constants — Complete Listing (2022 CODATA adjustment), retrieved 2026-07-26.

Natural units and Planck units

Planck lengthPlanck massPlanck temperaturePlanck timeNatural unit of momentumNatural unit of time

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UsePhysics. "Planck temperature — 1.416 784 × 1032 K." UsePhysics.com. https://usephysics.com/reference/planck-temperature. Value from the 2022 CODATA adjustment (NIST). Accessed [date].

All physical constants

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