42 mM to mol/L

42 mM = 0.042 mol/L

mMmol/L
36 mM0.036
38 mM0.038
40 mM0.04
420.042
44 mM0.044
46 mM0.046
48 mM0.048

42 mM = 0.042 mol/L

Formula

1 mol/L = 1,000 mM (millimolar) · 1 mM = 0.001 mol/L