The CODATA 2017 values of h, e, k, and N_A for the revision of the SI.

Constant	Quantity	Units
h	6.626 070 15 × 10-34	J s
e	1.602 176 634 × 10-19	C
k	1.380 649 × 10-23	J K-1
NA	6.022 140 76 × 1023	mol?1

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