Loschmidt constant (273.15 K, 100 kPa)

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

Loschmidt constant (273.15 K, 100 kPa) = 2.651 645 804… × 10²⁵ m⁻³ (CODATA 2022 recommended value, NIST)

Value: 2.651645804e25 (NIST lists only these digits; the exact value continues)
Uncertainty: none; the value is exact by definition of the SI
Unit: m^-3

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