TPN Calculator
Calculate total parenteral nutrition (TPN) requirements including calories, protein, dextrose, and lipids for hospitalized patients.
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
Solution Concentrations
Total Daily Calories
2125 kcal
BMR: 1518 kcal + stress factor
Caloric Distribution
Protein: 336 kcal (16%)
Carbohydrates: 1252 kcal (59%)
Lipids: 537 kcal (25%)
Estimated Volumes
Dextrose 25%: 1473 mL
Amino Acids 10%: 840 mL
Lipids 20%: 298 mL
Total: 2611 mL
Warnings
- • Dextrose exceeds recommended maximum (5 g/kg/day)
TPN Guidelines
Maximum Rates
- Dextrose: 5 g/kg/day or GIR <5 mg/kg/min
- Lipids: 2.5 g/kg/day
- Protein: 2.0-2.5 g/kg/day (critical illness)
Monitoring
- Blood glucose every 4-6 hours initially
- Electrolytes daily
- Triglycerides weekly
- LFTs weekly
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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.
Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
Formula Source: WHO Health Metrics Standards
by World Health Organization