Built for real work
Bidirectional A1C and eAG.
A1C Calculator — A1C to Average Glucose
Convert between HbA1c and estimated average glucose (eAG). Free A1C calculator using ADAG formula.
Formula used
eAG (mg/dL) = 28.7 × A1C − 46.7 A1C = (eAG + 46.7) ÷ 28.7
Examples
Try a sample calculation
A1C 7%
Common target
Fast and focused
Clinical ADAG formula.
Clear results
Clear mg/dL result.
Main features of A1C Calculator:
Enter the required fields—dates, amounts, percentages, or measurements as labeled.
Double-check units (currency, tax rate, height/weight) match your scenario.
Run the calculation and read the breakdown, not just the headline number.
Adjust inputs to compare scenarios, or open a related Rankify calculator for the next step.