Fasting Blood Glucose & Prediabetes Checker
Enter the fasting glucose value from your health check-up to see whether it is normal, prediabetes, or diabetes.
🩸 Fasting glucose (FPG)
Enter the value measured after 8+ hours of fasting.
Measured after 8+ hours of fasting?
🧪 Optional inputs (cross-check)
Add these for cross-interpretation and recheck guidance.
Optional · avg glucose over 2–3 months
Optional · 2 hours after starting a meal
📊 Result
Your fasting glucose
105 mg/dL
🟠 Impaired fasting glucose (prediabetes)100–125 mg/dL is impaired fasting glucose, i.e. prediabetes. Not diabetes yet, but it can progress without management.
Fasting glucose reference (your position)
💪 Now is the time to act
In prediabetes, lifestyle changes (weight loss, regular exercise, diet) can prevent or delay progression to diabetes by up to 58% (KDCA / Diabetes Prevention Program).
Official resources
Threshold sources
- 📖 Korean Diabetes Association 2023 Clinical Practice Guidelines
- 🏛️ KDCA National Health Information (diabetes / prediabetes)
- 🌐 American Diabetes Association Standards of Care — same thresholds
※ This assessment is for reference only and is not a medical diagnosis. Confirmation requires clinical testing.
Guide · FAQ · bal.pe.kr health tools
See the Guide for thresholds & recheck, the FAQ for FAQs, and About for sources. Last updated 2026-07-11.