The Average Height & Weight for a 3-Year-Old
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Gender
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At the age of 3, there is a slight difference between boys and girls in regards to size. Though they both are about the same height, on average, girls tend to weigh a little bit less than boys at this age.
Height
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The average, and healthy height, for 3-year-old boys and girls is 2 feet, 9 inches.
Weight
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At the age of 3, boys weigh a little bit more than girls, averaging 33 pounds. Girls at this age are a few pounds less, at an average weight of 30.8 pounds.
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