Tables for
Volume D
Physical properties of crystals
Edited by A. Authier

International Tables for Crystallography (2013). Vol. D, ch. 1.5, p. 148

Section 1.5.10. Connection between Gaussian and SI units

A. S. Borovik-Romanov,a H. Grimmerb,c* and M. Kenzelmannc*

aP. L. Kapitza Institute for Physical Problems, Russian Academy of Sciences, Kosygin Street 2, 119334 Moscow, Russia,bLabor für Neutronenstreuung, ETH Zurich, Switzerland, and cPaul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
Correspondence e-mail:,

1.5.10. Connection between Gaussian and SI units

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Numerical values of magnetic quantities are given in the tables and figures in this chapter in Gaussian units together with information on how the corresponding values in SI units are obtained. As a summary, Table[link] gives for each such quantity the corresponding Gaussian unit and its value expressed in SI units. More details on the transformation between Gaussian and SI units are given e.g. in the Appendix of Jackson (1999[link]).

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Conversion of non-rationalized (except for α) Gaussian units to SI units

SymbolQuantityGaussian unit and its SI equivalent
[\bf B] Magnetic induction 1 gauss (G) = 10−4 tesla (T)
[\bf H ] Magnetic field 1 oersted (Oe) = 103/(4π) A m−1
[\bf M] Magnetization (= magnetic moment per unit volume) 1 emu cm−3 = 103 A m−1
[\alpha] Linear magnetoelectric tensor (rationalized units) 1 (dimensionless units) = 4π × 10−8/3 s m−1
[\Lambda] Piezomagnetic tensor 1 Oe−1 = 4π × 10−3 m A−1 = 4π × 10−3 T Pa−1
[\chi] Magnetic volume susceptibility 1 (dimensionless units) = 4π (dimensionless units)
[\chi_g] Magnetic mass susceptibility 1 cm3 g−1 = 4π × 10−3 m3 kg−1
[\chi_{\rm mol}] Magnetic molar susceptibility 1 cm3 mol−1 = 4π × 10−6 m3 mol−1


Jackson, J. D. (1999). Classical Electrodynamics, 3rd ed. New York: Wiley.

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