Planck mass

Document v1 · published by Koskamo · updated 2026-10-03

Planck mass = 2.176 434 × 10⁻⁸ kg (CODATA 2022 recommended value, NIST)

Value: 2.176434e-8
Standard uncertainty: 2.4e-13 (relative 1.1 × 10⁻⁵)
Unit: kg

Source and provenance

Original source: physics.nist.gov
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: CODATA 2022 recommended values from NIST, a work of the US government (public domain in the United States)

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Version history

Published by Koskamo2026-10-03
Version 1