GIR, TFI & Calories Calculator (IVF + Milk)
Weight (kg)
TFI
—
0 mL/day
GIR
—
mg/kg/min
Calories
—
0 kcal/day
Notes & formulas
- Default sugar (editable): D10 = 10 g/100 mL, D12.5 = 12.5 g/100 mL, D20 = 20 g/100 mL, Term/“normal” formula = 7.1 g/100 mL, Preterm formula = 8.5 g/100 mL.
- Default energy (editable): IV dextrose kcal/100 mL is auto-calculated as (g/100 mL × 3.4); Normal formula = 67 kcal/100 mL (~20 kcal/oz), Preterm formula = 80 kcal/100 mL (~24 kcal/oz).
- Intermittent milk: average mL/hr = (mL per feed) ÷ (hours between feeds). Daily volume = mL/hr × 24.
- Total glucose (mg/hr) = Σ[ avg mL/hr × (g/100 mL × 10) ].
- Overall GIR (mg/kg/min) = Σ[ mg/hr ] ÷ (wt kg × 60).
- Total energy = Σ[ avg mL/hr × (kcal/100 mL ÷ 100) × 24 ], then kcal/kg/day = total ÷ wt.