Blood Glucose Converter
Convert blood sugar between mg/dL and mmol/L.
Enter your values to see the result.
Glucose: 1 mmol/L = 18.016 mg/dL. Diagnostic thresholds follow the ADA Standards of Care; confirm a diagnosis with a repeat test.
Continue your work
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Clear instructions
Find steps, examples and limitations below.
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How to use the Blood Glucose Converter
Convert blood sugar between mg/dL and mmol/L.
- 1 Choose mg/dL to mmol/L or the reverse.
- 2 Enter your glucose reading.
- 3 Read the converted value and fasting category.
Example and practical tips
100 mg/dL equals 5.55 mmol/L, and 7.0 mmol/L equals 126 mg/dL, the fasting threshold for diabetes.
Frequently asked questions
How do I convert mmol/L to mg/dL?
Multiply by 18 (18.016 exactly). To go from mg/dL to mmol/L, divide by 18.
Is the category valid after a meal?
No. The normal, prediabetes and diabetes bands shown apply to fasting glucose only.
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