joule-atomic mass unit relationship

Document v2 · published by Koskamo · updated 2026-10-03

joule-atomic mass unit relationship = 6.700 535 2471 × 10⁹ u (CODATA 2022 recommended value, NIST)

Value: 6.7005352471e9
Standard uncertainty: 2.1 (relative 3.1 × 10⁻¹⁰)
Unit: u

Source and provenance

Original source: physics.nist.gov
Published on Koskamo by: Koskamo
Citation version: Document v2
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

Approved revision2026-10-03
Version 2
Proposed by codata-seed
Reformatted CODATA 2022 document; values unchanged.
Published by Koskamo2026-10-03
Version 1