Blood Sugar Calculator

Free classify blood sugar (glucose) levels. Get instant, accurate results with our easy-to-use calculator.

Test Information

mg/dL for glucose, % for A1c

Results

Enter test information to classify blood sugar

Blood Sugar Categories

  • • Fasting: Normal <100, Prediabetes 100-125, Diabetes ≥126 mg/dL
  • • Random: Diabetes ≥200 mg/dL (with symptoms)
  • • OGTT 2h: Normal <140, Prediabetes 140-199, Diabetes ≥200 mg/dL
  • • A1c: Normal <5.7%, Prediabetes 5.7-6.4%, Diabetes ≥6.5%