Blood Sugar Converter
Convert between mg/dL and mmol/L
Blood Sugar Reference Range
| Category | mg/dL | mmol/L |
|---|---|---|
| Low (Hypoglycemia) | < 70 | < 3.9 |
| Normal (Fasting) | 70 - 99 | 3.9 - 5.5 |
| Prediabetes (Fasting) | 100 - 125 | 5.6 - 6.9 |
| Diabetes (Fasting) | > 126 | > 7.0 |
| Normal (2h after meal) | < 140 | < 7.8 |
| Prediabetes (2h after meal) | 140 - 199 | 7.8 - 11.0 |
| Diabetes (2h after meal) | > 200 | > 11.1 |
* These are general guidelines. Always consult with a healthcare professional for personal medical advice.
About Blood Sugar Measurements:
- mg/dL (milligrams per deciliter): Standard unit in the United States
- mmol/L (millimoles per liter): Standard unit in most other countries
- A1C tests measure average blood sugar over 2-3 months (reported as percentage)
- Fasting blood sugar is measured after not eating for at least 8 hours
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