A1C Calculator
Convert between A1C and average blood glucose.
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A1C Calculator
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Frequently Asked Questions
A1C (glycated hemoglobin) measures average blood sugar over 2-3 months. It shows what percentage of hemoglobin has sugar attached.
Normal: below 5.7%. Prediabetes: 5.7-6.4%. Diabetes: 6.5% or higher. Target for diabetics is often below 7%.
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