Loschmidt constant (273.15 K, 101.325 kPa) = 2.686 780 111… × 10²⁵ m⁻³ (CODATA 2022 recommended value, NIST)
- Value:
2.686780111e25(NIST lists only these digits; the exact value continues) - Uncertainty: none; the value is exact by definition of the SI
- Unit:
m^-3