Hemoglobin: g/dL ⇄ g/L

g/L = g/dL × 10 · g/dL = g/L ÷ 10. A deciliter is one-tenth of a liter, so the number simply shifts one decimal place.

g/dL to g/L chart

Some countries report hemoglobin in mmol/L: mmol/L = g/dL × 0.6206 (based on the hemoglobin monomer). Unit conversion only — it does not interpret blood counts.

FAQ

How do I convert hemoglobin g/dL to g/L?

Multiply by 10. Example: 13.5 g/dL = 135 g/L.

Is hemoglobin mg/dL the same as g/dL?

No. 1 g/dL = 1,000 mg/dL. Hemoglobin is almost always reported in g/dL or g/L.

How do I convert g/dL to mmol/L?

Multiply by 0.6206. Example: 14 g/dL ≈ 8.7 mmol/L.

Which countries use g/L?

The UK, Canada, Australia and much of Europe report hemoglobin in g/L; the US uses g/dL.

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Last updated: 2026-10-02 · Found an error? Report it.