Neutron gyromagnetic ratio = 1.832 471 74 × 108 s⁻¹·T⁻¹

Value
1.832 471 74 × 108
Unit
s⁻¹·T⁻¹
Uncertainty
0.000 000 43 × 10⁸
Copy-ready
1.83247174e8

Gyromagnetic ratio of the neutron: its magnetic moment divided by its spin angular momentum.

Multiplied by a magnetic field it gives the precession (Larmor) frequency — the frequency NMR and MRI machines tune to. The MHz/T form beneath is the one scanner engineers use.

The same quantity, other ways NIST lists it

Quantity (NIST name)ValueUnitUncertainty
Neutron gyromagnetic ratio in MHz/T29.164 6935MHz·T⁻¹0.000 0069

NIST, Fundamental Physical Constants — Complete Listing (2022 CODATA adjustment), retrieved 2026-07-26.

Magnetic moments, g-factors and gyromagnetic ratios

Deuteron magnetic momentElectron magnetic momentElectron g factorElectron gyromagnetic ratioElectron magnetic moment anomalyHelion g factorHelion magnetic momentHelion shielding shiftMuon g factorMuon magnetic momentMuon magnetic moment anomalyNeutron magnetic momentNeutron g factorNeutron gyromagnetic ratioProton g factorProton gyromagnetic ratioProton magnetic momentProton magnetic shielding correctionShielded helion gyromagnetic ratioShielded helion magnetic momentShielded proton gyromagnetic ratioShielded proton magnetic momentShielding difference of d and p in HDShielding difference of t and p in HTTriton g factorTriton magnetic moment

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All physical constants

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