Fasting Glucose Calculator

Estimate your fasting glucose levels to monitor metabolic health during intermittent fasting.

Try the Calculator

Calculate Your Fasting Glucose

Enter your details to estimate your fasting glucose levels. Consult a doctor for accurate readings.

Understanding Fasting Glucose

Fasting glucose levels reflect your body’s ability to manage blood sugar after a period without food. Intermittent fasting can improve insulin sensitivity, potentially lowering fasting glucose levels (Healthline).

Blood glucose meter displaying a reading

Why Monitor Fasting Glucose?

  • Assess metabolic health and diabetes risk.
  • Track the impact of fasting on blood sugar control.
  • Identify trends to discuss with your healthcare provider.

Normal Fasting Glucose Ranges

According to the Mayo Clinic, typical ranges are:

Category Glucose Range (mg/dL)
Normal 70–99
Prediabetes 100–125
Diabetes 126 or higher

Sample Fasting Glucose Results

Example results based on different inputs:

Age Weight (kg) Fasting Duration (hours) Estimated Glucose (mg/dL)
30 70 16 82
45 85 24 85
60 90 12 90

Learn more about fasting benefits in our Health Benefits Guide or check your A1C with our A1C Calculator.

Share This Calculator