Weight Gain Velocity Calculator


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0 g/day or 0 g/kg/day over 14 days

Values are rounded to 1 decimal place. Not intended for use in the first 14 days of life.

g/d generally recommended for infants >2 kg and/or >36 weeks

g/kg/d generally recommended for infants <2 kg and/or <36 weeks

Target Ranges
Formulas Used

Exponential 2-Point Method

Hodges, Bethany S., et al. Academy of Nutrition and Dietetics Pocket Guide to Neonatal Nutrition. 3rd ed., Academy of Nutrition and Dietetics, 2023.

Koletzko, B. Nutritional Care of Preterm Infants: Scientific Basis and Practical Guidelines. 2nd ed., vol. 122, Karger, 2021.

Goldberg, Dena L et al. “Identifying Malnutrition in Preterm and Neonatal Populations: Recommended Indicators.” Journal of the Academy of Nutrition and Dietetics vol. 118,9 (2018): 1571-1582.