Gilbert (unit)

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The gilbert (Symbol: Gb) is an obsolete unit used in practical cgs and emu cgs systems to measure magnetization.[1] The unit is named for English physicist William Gilbert.

Definition in magnetization:

  • 1 Gb = (1/4π)×Bi-turn

Conversion to Ampere-turns:

  • 1 Gb = (10/4π) A-turn= 0.7957747 A-turn[1]
  • 1 A-turn ≡ 4π * 10−1 Gb [1]


  1. ^ a b c Cardarelli, F. (2003). Encyclopaedia of Scientific Units, Weights and Measures. Their SI Equivalences and Origins. London: Springer. p. 24. ISBN 978-1-4471-1122-1.