Sakuma–Hattori equation

Template:Tnavbar-header	Symbol	Value (SI units)	Relative Standard Uncertainty
magnetic constant (vacuum permeability)	${\mu }_0$	4π × 10−7 N·A−2 = 1.256 637 061... × 10−6 N·A−2	defined
electric constant (vacuum permittivity)	${\epsilon }_0=1/{\mu }_0{c}^2$	8.854 187 817... × 10−12 F·m−1	defined
characteristic impedance of vacuum	$Z_0={\mu }_{0}c$	376.730 313 461... Ω	defined
Coulomb's constant	$k_{\mathrm{e}}=1/4\pi {\epsilon }_0$	8.987 551 787... × 109 N·m²·C−2	defined
elementary charge	$e$	1.602 176 565(35) × 10−19 C	2.2 × 10−8
Bohr magneton	${\mu }_{\mathrm{B}}=e\hslash /2m_e$	9.274 009 68(20) × 10−24 J·T−1	2.2 × 10−8
conductance quantum	$G_0=2e^2/h$	7.748 091 7346(25) × 10−5 S	3.2 × 10−10
inverse conductance quantum	$G_0^{-1}=h/2e^2$	12 906.403 7217(42) Ω	3.2 × 10−10
Josephson constant	$K_{\mathrm{J}}=2e/h$	4.835 978 70(11) × 1014 Hz·V−1	2.2 × 10−8
magnetic flux quantum	${\varphi }_0=h/2e$	2.067 833 758(46) × 10−15 Wb	2.2 × 10−8
nuclear magneton	${\mu }_{\mathrm{N}}=e\hslash /2m_p$	5.050 783 53(11) × 10−27 J·T−1	2.2 × 10−8
von Klitzing constant	$R_{\mathrm{K}}=h/e^2$	25 812.807 4434(84) Ω	3.2 × 10−10