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elementary charge  Value  1.602 176 565 x 10-19 C  Standard uncertainty  0.000 000 035 x 10-19 C   Relative standard uncertainty   2.2 x 10-8  Concise form  1.602 176 565(35) x 10-19 C       Click here for correlation coefficient of this constant with other constants Source: 2010 CODATA      recommended values  Definition of uncertainty       Correlation coefficient with any other constant