How do I convert Hemoglobin from g/L to mmol/L?

mmol/L = g/L × 0.06207. For example, 150 g/L equals 9.31 mmol/L.

How many mmol/L are 150 g/L?

150 g/L equal 9.31 mmol/L (Hemoglobin).

Blood count

mmol/L = g/L × 0.06207

Enter a value in any unit and all other units fill in.

g/L mmol/L

g/L → mmol/L	mmol/L = g/L × 0.06207
mmol/L → g/L	g/L = mmol/L × 16.11

Highlighted: values inside the adult reference range.

121 – 172 g/L = 7.511 – 10.68 mmol/L

Source: MedlinePlus (NLM): Hemoglobin · Last reviewed: 2026-10-14