This calculator is a must have for any dietitian working in a clinical setting. Early in my career as a clinical dietitian I realized that I was doing the same calculations over and over with only a few changing variables. I developed this calculator specifically for clinical dietitians to make calculating estimated needs, enteral nutrition, and parenteral nutrition quick and easy. This calculator will be a huge time saver and you will be glad you have it when you get those last minute TPN orders right before the pharmacy deadline!

Estimated Needs Calculator

Enter anthropometrics for your patient and the calculator will display:

  • BMI
  • % weight change
  • IBW
  • Mifflin St Jeor
  • Harris Benedict
  • Penn State
  • Modified Penn State
  • Compare ranges for Kcal/kg for IBW and actual weight
  • Quick converter for imperial/metric units included

Enteral Calculator

Adaptable for any formula, Enter the Kcal/ml, protein g/L, and % water for your formula and calculate either continuous or bolus feeds. Easily add modulars and adjust flushes.

Enteral Formulary Comparison

The enteral formulary page allows you to add and edit your own formulary and compare various formulas side by side based on total kcal instead of volume.

Parenteral Calculator

You won’t be stressed out by those last minute TPN orders anymore! The parenteral calculator allows you to easily adjust your formula with just a few clicks. The calculator will display:

  • Kcal
  • Kcal/kg
  • Grams amino acid/kg
  • GIR
  • Osmolarity
  • Minimum volume required
  • % solution of Dextrose, amino acid, and lipid for stability
  • % kcal from dextrose, amino acid, and lipid
  • Total K
  • mEq Na/L and normal saline equivalent
  • Rates for continuous or cyclic

An instruction page and a directory of equations used in the calculator are included.

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