Postprandial Glucose Calculator

Interpret your after-meal blood glucose levels and understand if they are within healthy ranges.

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Important Health Disclaimer

This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.

For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.

Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.

Not a substitute for professional medical advice

Glucose Reading

Post-Meal Glucose

Time After Meal (hours)

Meal Type

Do you have diabetes?

Your Result

140 mg/dL

(7.8 mmol/L)

Impaired Glucose Tolerance

Target: <140 mg/dL (2h post-meal)

Glucose Spike Analysis

+50 mg/dL

Estimated rise from fasting (assuming ~90 mg/dL baseline)

Mixed meals have moderate impact on blood glucose.

Postprandial Targets

Non-Diabetic

1-hour post-meal< 140 mg/dL

2-hour post-meal< 140 mg/dL

With Diabetes (ADA)

1-2 hours post-meal< 180 mg/dL

Tips to Manage Post-Meal Glucose

• Take a short walk after meals
• Eat fiber and protein before carbohydrates
• Choose low glycemic index foods
• Avoid sugary beverages with meals
• Control portion sizes of carbohydrates

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