Length Chart for Boys, Birth to 36 Months

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Length Chart for Boys, Birth to 36 Months

Find your child's growth percentile based on age and height.

Description and comments

This chart shows the percentiles of length (height) for boys from birth to 36 months.

How to read the percentile chart

The curved lines show height percentiles. For example, the top curved line shows the 95% percentile, which means that 95% of children are at or under that height.

The bottom of the chart shows ages, from birth to 36 months. The left and right sides of the chart show heights.

The chart shows that at birth 95% of boys are less than 22 inches (about 55 centimeters) and 5% are less than 18 inches (45 cm). At 36 months (3 years) 95% of boys are less than 41 inches (about 103 cm) and 5% are less than 35 inches (89 cm).

Find your child's height on either side, and read horizontally across until you reach the vertical line for your child's age. Then see where that point is among the percentile lines.

For example, a boy 30 inches (76 cm) tall and 12 months old is just above the 50% percentile.

Consult your physician if you are concerned about your child's height.

About this chart

The chart is taken directly from the Centers for Disease Control National Center for Health Statistics. We converted it from a PDF file into a web graphic. You can view and print the PDF version here if you would like to record your child's height.

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