Insulin Dosage Calculator

Calculate estimated insulin dosage including total daily dose, basal, bolus, and correction factors based on weight and diabetes type.

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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

Patient Information

Higher A1C may require more insulin

For meal bolus calculation

Total Daily Dose (TDD)

35 units

0.50 units/kg

🌙Basal Dose
18 units/day
🍽️Bolus Per Meal
5.8 units
📊Insulin:Carb Ratio
1:14
Correction Factor
1:51

Meal Bolus

For 60g carbs: 4.2 units

Important Notice

These are estimated starting doses. Always consult with your healthcare provider for personalized insulin dosing.

Insulin Dosing Guidelines

Calculation Methods

  • TDD: 0.4-0.6 units/kg body weight
  • Basal: 50% of total daily dose
  • Bolus: 50% divided among meals
  • 500 Rule: 500 / TDD = ICR
  • 1800 Rule: 1800 / TDD = CF

Adjusting Doses

  • Start conservative and titrate up
  • Adjust based on blood glucose patterns
  • Consider activity level and diet
  • Account for illness or stress
  • Regular monitoring is essential
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sources

  • World Health Organization (WHO) — Global health metrics, disease classification, and nutritional standards. who.int
  • Centers for Disease Control and Prevention (CDC) — Health statistics, BMI guidelines, and disease prevention data. cdc.gov
  • National Institutes of Health (NIH) — Medical research, clinical guidelines, and health calculators. nih.gov
  • Mayo Clinic — Clinical health information, disease reference, and wellness guidance. mayoclinic.org

For a complete list of all references used across the site, visit our full sources page.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: WHO Health Metrics Standards

by World Health Organization

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.