GMI to A1C Calculator

GMI to A1C Calculator

How to Use the GMI to A1C Calculator

A GMI to A1C Calculator is a digital tool that converts your Glucose Management Indicator (GMI) in mg/dL into an estimated A1C (%), offering insight into long-term blood sugar trends for people managing diabetes.

What Is GMI?

GMI reflects your average glucose levels over the past 14 days, typically obtained from a continuous glucose monitor (CGM). Converting GMI into A1C helps you understand how your short-term data may align with lab-measured long-term averages.

Steps to Use the Calculator:

  1. Enter your GMI value in mg/dL into the input field.
  2. Click the “Convert to Estimated A1C” button.
  3. Your estimated A1C percentage will be displayed instantly.

Example:

If your GMI is 140 mg/dL, the calculator will compute:

iniCopiarEditarA1C = (140 + 46.7) / 28.7 ≈ 6.51%

GMI to A1C Calculator FAQ

Q1: What is the formula used in this calculator?
A: The formula is:
A1C (%) = (GMI + 46.7) / 28.7
This is derived from clinical correlations between average glucose levels and lab-measured A1C.

Q2: How accurate is this estimate?
A: It’s an approximation. While it can be close, actual A1C results may differ due to biological variability or lab differences.

Q3: Can I use this instead of a lab test?
A: No. This calculator provides an estimate based on GMI from CGMs. It is not a replacement for A1C testing performed by a medical professional.

Q4: Who is this calculator for?
A: It's ideal for people using continuous glucose monitors (CGMs) who want to understand how their average readings might correspond to A1C values.

Q5: What is a healthy A1C range?
A: For most non-pregnant adults, a target A1C is usually below 7%. However, goals can vary. Always consult your healthcare provider.

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