elementary charge unit

data derived with UnitSystems.jl DOI

\[\text{Q}\]

\[\left[\hbar^{1/2}\text{c}^{-1/2}\mu_0^{-1/2}\phi^{1/2}\lambda^{-1/2}\alpha_\text{L}^{-1}\right]\]

\[e = \sqrt{\frac{2h\alpha}{Z_0}} = \frac{2\alpha_L}{K_JR_K} = \sqrt{\frac{h}{R_K}} = \frac{hK_J}{2\alpha_L} = \frac{F}{N_A}\]

Quantity Product UnitSystem
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ Metric
$1.602176634 \times 10^{-19}$ $\left[\text{C}\right]$ $\text{e}$ SI2019
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ SI1976
$1.6021766207(99) \times 10^{-19}$ $\left[\text{C}\right]$ $\text{R}_\text{K}^{-1}\text{K}_\text{J}^{-1}2$ CODATA
$1.602176491612271 \times 10^{-19}$ $\left[\text{C}\right]$ ${\text{R}_\text{K}^{90}}^{-1}{\text{K}_\text{J}^{90}}^{-1}2$ Conventional
$1.60244090637(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\Omega_\text{it}\cdot \text{V}_\text{it}^{-1}\tau^{-1/2}2^{7/2}5^{7/2}$ International
$1.60241687925(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}1.0001499490173342$ InternationalMean
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ MetricTurn
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ MetricSpatian
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ MetricGradian
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ MetricDegree
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ MetricArcminute
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ MetricArcsecond
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ Engineering
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ Gravitational
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ MTS
$1.60217663444(12) \times 10^{-20}$ $\left[\text{g}^{1/2}\text{cm}^{1/2}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{5/2}5^{5/2}$ EMU
$4.80320471388(37) \times 10^{-10}$ $\left[\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-1}\right]$ $\hbar^{1/2}\text{c}^{1/2}\alpha^{1/2}\tau^{-1/2}2^{9/2}5^{9/2}$ ESU
$4.80320471388(37) \times 10^{-10}$ $\left[\text{Mx}\right]$ $\hbar^{1/2}\text{c}^{1/2}\alpha^{1/2}\tau^{-1/2}2^{9/2}5^{9/2}$ Gauss
$1.70269173836(13) \times 10^{-9}$ $\left[\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-1}\right]$ $\hbar^{1/2}\text{c}^{1/2}\alpha^{1/2}2^{5}5^{9/2}$ LorentzHeaviside
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ FPS
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ IPS
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ British
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ English
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ Survey
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ MPH
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ KKH
$1.5975466161(32) \times 10^{-19}$ $\left[\text{eC}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\text{g}_0\cdot \text{GM}_\text{E}^{-1}\tau^{-5/2}2^{43/2}5^{35/2}$ Nautical
$1.5975466161(32) \times 10^{-19}$ $\left[\text{eC}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\text{g}_0\cdot \text{GM}_\text{E}^{-1}\tau^{-5/2}2^{43/2}5^{35/2}$ Meridian
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ IAU☉
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}$ IAUE
$1.60217663444(12) \times 10^{-19}$ $\left[\text{C}\right]$ $\hbar^{1/2}\text{c}^{-1/2}\alpha^{1/2}\tau^{-1/2}2^{7/2}5^{7/2}1$ IAUJ
$4.540(14) \times 10^{-21}$ $\left[\text{Q}\right]$ $\text{c}^{-1/2}\text{R}_{\infty}^{-1/2}\alpha^{3/2}\text{H}_0^{1/2}\text{au}^{-1/2}2^{-11/2}3^{-2}5^{-3}$ Hubble
$1.452(11) \times 10^{-62}$ $\left[\text{Q}\right]$ $\hbar\cdot \text{c}^{-2}\alpha^{1/2}\Omega_{\Lambda}^{1/2}\text{H}_0\cdot \text{au}^{-1}\text{m}_\text{P}^{-1}2^{-10}3^{-7/2}5^{-6}$ Cosmological
$0.0854245431318(65)$ $\left[\text{e}_\text{n}\right]$ $\alpha^{1/2}$ CosmologicalQuantum
$0.302822120872(23)$ $\left[\mathbb{1}\right]$ $\alpha^{1/2}\tau^{1/2}2^{1/2}$ Planck
$0.0854245431318(65)$ $\left[\text{e}_\text{n}\right]$ $\alpha^{1/2}$ PlanckGauss
$1.0$ $\left[\text{e}\right]$ $1$ Stoney
$1.0$ $\left[\text{e}\right]$ $1$ Hartree
$1.4142135623730951$ $\left[\text{Q}\right]$ $2^{1/2}$ Rydberg
$1.0$ $\left[\text{e}\right]$ $1$ Schrodinger
$1.0$ $\left[\text{e}\right]$ $1$ Electronic
$0.302822120872(23)$ $\left[\mathbb{1}\right]$ $\alpha^{1/2}\tau^{1/2}2^{1/2}$ Natural
$0.0854245431318(65)$ $\left[\text{e}_\text{n}\right]$ $\alpha^{1/2}$ NaturalGauss
$0.302822120872(23)$ $\left[\mathbb{1}\right]$ $\alpha^{1/2}\tau^{1/2}2^{1/2}$ QCD
$0.0854245431318(65)$ $\left[\text{e}_\text{n}\right]$ $\alpha^{1/2}$ QCDGauss
$1.0$ $\left[\text{e}\right]$ $1$ QCDoriginal