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The Average Weight of a Toddler

By Pik Ho ; Updated June 13, 2017

You may be concerned if you toddler looks much smaller or bigger in size compared to his peers of the same age. However, children come in all sizes and shapes, and as long as he is eating well, active, healthy and meeting all his milestones, he should be growing well. Children grow and develop at their own pace. Genes, health condition, gender, hormone and lifestyle factors can affect their growth rates.

Average Weight

On average, a girl weighs about 22 pounds at 15 months and a boy weighs about 23 pounds and both stand about 31 inches tall, according By age 2, their weight will be about 27 to 28 pounds and they will stand about 34 inches tall, on average.

Growth Chart and Percentile

Your toddler's size can be compared to the growth charts developed by the Centers for Disease Prevention and Control for growth assessment, just like when she was a baby, until she turns 3 years old. The growth charts were developed using information obtained by measuring and weighing thousands of children. The national average for weight and height for age and sex were then plotted to form a curved line, or percentile line, on the growth chart, allowing comparison among children of the same age and gender.

Patterns of Height and Weight Gain

There isn't an ideal percentile for any child. If you toddler is at the 10 percentile in weight and height, it merely means that 90 percent of children her age and gender are heavier and taller than her. However, it does not mean that they are healthier or indicate problems in your toddler. As long as your toddler is growing at a steady rate, meaning that she stays on a certain percentile line on the growth chart, she is most likely developing well.

Sudden Changes

If your toddler's percentile changes abruptly from a certain pattern he has been following, it may be a sign of a growth problem. Further assessment should be done to find out the cause. Moreover, if your toddler's percentile of height and percentile of weight have significant difference, for example, an 80 percentile of weight and 20 percentile of height, it may also be a sign of problem. Consult your pediatrician for further assessment.


Talk with your pediatrician about your toddler's growth if you are concerned. If your toddler is not meeting her milestones or does not eat well, consult your pediatrician for solutions.

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