Parenteral Nutrition Calculator

A simple tool for parenteral nutrition calculations, including estimated calories, osmolarity and glucose infusion rate

PN Data Entry

Weight (kg)

Total fluid (mL/kg/d)
-- or --
Order volume (mL)

Trophamine (g/kg/d)
Dextrose (%)
Intralipid 20% (g/kg/d)

Electrolytes (mEq/kg/d)
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Instructions and notes:

  • Osmolarity calculation is only approximate
  • Goal amino acids: 3-4 g/kg/day, 10-20% calories
  • Goal lipids: 3 g/kg/day, 30-35% calories
  • Goal GIR: 10-12 mg/kg/min, 50-60% calories
  • Maximum osmolarity for peripheral IV ~900 mOsm/L