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Diabetes & metabolism

Glucose: convert mg/dL to mmol/L

mmol/L = mg/dL × 0.05551

Calculator

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

Conversion formulas

mg/dL → mmol/Lmmol/L = mg/dL × 0.05551
mmol/L → mg/dLmg/dL = mmol/L × 18.01

Conversion table

Highlighted: values inside the adult reference range.

mg/dLmmol/L
201.11
402.22
603.331
804.441
1005.551
1206.661
1407.771
1608.882
1809.992
20011.1
22012.21
24013.32

Reference range

70.26 – 99.08 mg/dL = 3.9 – 5.5 mmol/L

Source: NIDDK (NIH): Diagnostic tests for diabetes and prediabetes · Last reviewed: 2026-10-14

Frequently asked questions

How do I convert Glucose from mg/dL to mmol/L?

mmol/L = mg/dL × 0.05551. For example, 80 mg/dL equals 4.44 mmol/L.

How many mmol/L are 80 mg/dL?

80 mg/dL equal 4.44 mmol/L (Glucose).

How do I convert Glucose from mmol/L back to mg/dL?

mg/dL = mmol/L × 18.01.

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