mmol/L to mg/dL Glucose Converter

Convert blood glucose levels from mmol/L to mg/dL

Medical Disclaimer: This tool is for informational purposes only and should not replace professional medical advice. Always consult with a healthcare provider for medical decisions.

mmol/L

mg/dL

Conversion factor: 1 mmol/L = 18 mg/dL

Blood Glucose Reference Ranges

Category	mmol/L	mg/dL
Low (Hypoglycemia)	< 3.9	< 70
Normal (Fasting)	3.9 - 5.5	70 - 99
Prediabetes (Fasting)	5.6 - 6.9	100 - 125
Diabetes (Fasting)	≥ 7.0	≥ 126

Frequently Asked Questions

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

Multiply the mmol/L value by 18. For example, 5.5 mmol/L × 18 = 99 mg/dL.

Which countries use mmol/L vs mg/dL?

Most countries use mmol/L (including UK, Canada, Australia), while the United States primarily uses mg/dL.

What is a normal blood glucose level?

Normal fasting blood glucose is 3.9-5.5 mmol/L (70-99 mg/dL). Values may vary based on individual health conditions.

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