Blood Sugar Converter
Convert blood glucose levels between mg/dL and mmol/L instantly.
Used by diabetics and healthcare professionals worldwide.
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Blood glucose is measured in two different units depending on the country.
mg/dL (milligrams per deciliter) is used in the United States, Japan, France, Egypt, and Colombia. mmol/L (millimoles per liter) is used in the UK, Canada, Australia, China, and most of Europe.
Conversion formula:
- mmol/L = mg/dL ÷ 18.0156
- mg/dL = mmol/L × 18.0156
The factor 18.0156 comes from the molecular weight of glucose (180.156 g/mol) divided by 10.
Common reference ranges (fasting):
| Status | mg/dL | mmol/L |
|---|---|---|
| Normal | 70–99 | 3.9–5.5 |
| Pre-diabetic | 100–125 | 5.6–6.9 |
| Diabetic | 126+ | 7.0+ |