Fasting Glucose Category Calculator
Classify a fasting blood glucose result using ADA thresholds.
Your result
American Diabetes Association cut-offs: under 100 normal, 100–125 prediabetes, 126 or more diabetes on repeat testing. One result is not a diagnosis.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Fasting Glucose Category Calculator do?
Classify a fasting blood glucose result using ADA thresholds. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: is my fasting glucose normal; fasting blood sugar range; prediabetes fasting test.