CODATA Value: electron charge to mass quotient

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electron charge to mass quotient
$-e/m_{\rm e}$

Numerical value -1.758 820 008 38 x 10¹¹ C kg^-1

Standard uncertainty   0.000 000 000 55 x 10¹¹ C kg^-1

  Relative standard uncertainty 3.1 x 10^-10

Concise form -1.758 820 008 38(55) x 10¹¹ C kg^-1

Click here for correlation coefficient of this constant with other constants

Source: 2022 CODATA
recommended values Definition of
uncertainty      Correlation coefficient with
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