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Click symbol for equation reduced Compton wavelength  Numerical value  3.861 592 6744 x 10-13 m  Standard uncertainty  0.000 000 0012 x 10-13 m   Relative standard uncertainty  3.1 x 10-10  Concise form  3.861 592 6744(12) x 10-13 m       Click here for correlation coefficient of this constant with other constants Source: 2022 CODATA      recommended values  Definition of uncertainty       Correlation coefficient with any other constant