Blood Sugar Converter: mg/dL to mmol/L

Your details

mg/dL is used in the US and Japan; mmol/L is used in the UK, Canada, Australia and most of Europe.
Enter your glucose reading from your glucometer or lab report.
mg/dL
Affects which ADA 2025 reference range is used for the category label. Fasting uses IFG thresholds; post-meal uses 2-hour OGTT thresholds.
Converted valuePrediabetes range
5.55

Your glucose reading in the target unit

In mg/dL100mg/dL
In mmol/L5.55mmol/L
CategoryPrediabetes range
100 mg/dL
Severe hypo<54Low54-70Normal70-100Prediabetes100-126High126-200Very high200+

Prediabetes range: 100.0 mg/dL = 5.55 mmol/L

  • Your reading is 100.0 mg/dL, equal to 5.55 mmol/L.
  • A fasting level of 100-125 mg/dL (5.6-6.9 mmol/L) falls in the prediabetes range (IFG). Many people reverse prediabetes with diet and exercise.
  • Consult your doctor about lifestyle changes and whether HbA1c testing is appropriate.
  • Glucose levels vary by time of day, meals, activity, and illness. Always interpret results with your healthcare provider.

Next stepFor a broader picture of glucose control over 2-3 months, ask your provider about an HbA1c test. Normal is below 5.7%, prediabetes is 5.7-6.4%, and diabetes is 6.5% or above.

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