elementary charge unit
data derived with UnitSystems.jl
\[\text{Q}\]
\[\left[\hbar^{1/2}\text{c}^{-1/2}\mu_0^{-1/2}\phi^{1/2}\lambda^{-1/2}\alpha_\text{L}^{-1}\right]\]
\[e = \sqrt{\frac{2h\alpha}{Z_0}} = \frac{2\alpha_L}{K_JR_K} = \sqrt{\frac{h}{R_K}} = \frac{hK_J}{2\alpha_L} = \frac{F}{N_A}\]
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 |