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Infant Growth Calculators

 

 

Many moms wonder if their baby is growing as expected. It may be helpful to use this calculator, together with the information in Average Weight Gain for Breastfed Babies, when analyzing your baby’s growth.

Directions:Fill in at least two rows (white columns only) to see the results. Layout works best on full-screen devices.


QUICK REFERENCE  Average Growth for Breastfed Babies*
Baby’sAge(weeks) Avg.WeightGain(oz/week) Avg.LengthGain(in/month)
0 – 17 5 – 7 1.0
17 – 26 4 – 5 1.0
26 – 52 2 – 4 0.5
* seeAverage
Weight Gain  for Breastfed Babiesfor additional information

Other growth calculators

Kids Growth Chart Percentiles Calculator (height and weight for birth to age 20, body mass index for age 2-20) from About.com. These calculators don’t say which growth charts are used for the calculations.

Growth Percentile Calculator (up to 36 months) from BabyCenter.com

Growth Calculators (body mass index, growth percentile, growth velocity percentile for age 2-18) from Genentech, manufacturer of human growth hormone products.

Kid’s Height Predictor from WebMD

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