A1C to Glucose Calculator
Convert between A1C (HbA1c) percentage and estimated average glucose (eAG). Based on the ADAG study formula.
Important Health Disclaimer
This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.
For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.
Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.
Not a substitute for professional medical advice
Convert A1C / Glucose
Formula
eAG (mg/dL) = 28.7 × A1C − 46.7
Based on the A1C-Derived Average Glucose (ADAG) Study
About A1C
A1C (HbA1c) reflects your average blood sugar over the past 2-3 months. It measures the percentage of hemoglobin that is glycated (sugar-coated).
Results
A1C Categories
Reference Table
| A1C (%) | eAG (mg/dL) | eAG (mmol/L) |
|---|---|---|
| 5.0 | 97 | 5.4 |
| 5.5 | 111 | 6.2 |
| 6.0 | 126 | 7.0 |
| 6.5 | 140 | 7.8 |
| 7.0 | 154 | 8.5 |
| 7.5 | 169 | 9.4 |
| 8.0 | 183 | 10.2 |
| 8.5 | 197 | 10.9 |
| 9.0 | 212 | 11.8 |
| 9.5 | 226 | 12.5 |
| 10.0 | 240 | 13.3 |
| 11.0 | 269 | 14.9 |
| 12.0 | 298 | 16.5 |
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