joule-kilogram relationship

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

joule-kilogram relationship = 1.112 650 056… × 10⁻¹⁷ kg (CODATA 2022 recommended value, NIST)

Value: 1.112650056e-17 (NIST lists only these digits; the exact value continues)
Uncertainty: none; the value is exact by definition of the SI
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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Keep the unit and stated uncertainty with the value. Records marked exact differ from measured values. The CODATA release is identified in the source; the document update date records publication on Koskamo.

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Version history

Published by Koskamo2026-10-03
Version 1