Standard Height and Weight Chart by Age

February 3, 2026

Monitoring a child’s height and weight is one of the most practical ways to assess their overall growth and physical development. Although every child grows at a different pace, using a standard growth chart can help parents understand whether their child’s growth pattern generally falls within a healthy and expected range.

This article presents a comprehensive height and weight chart for children aged 1 to 18. In addition, it explains how to interpret the numbers correctly, highlights key factors that influence growth, and outlines situations in which seeking professional medical advice may be appropriate.

Standard Height and Weight Chart (Ages 1–18)

Important note: The values below reflect average growth ranges commonly used as references. It is completely normal for healthy children to fall slightly above or below these figures.

📊 Average Height and Weight for Boys and Girls

Age 1: Height 75–80 cm (29.5–31.5 inches), Weight 9–11 kg (20–24 lb)

Age 2: Height 85–90 cm (33.5–35.5 inches), Weight 11–13 kg (24–29 lb)

Age 3: Height 95–100 cm (37.5–39.5 inches), Weight 13–15 kg (29–33 lb)

Age 4: Height 100–105 cm (39.5–41.5 inches), Weight 14–17 kg (31–37 lb)

Age 5: Height 105–110 cm (41.5–43.5 inches), Weight 16–19 kg (35–42 lb)

Age 6: Height 110–116 cm (43.5–45.5 inches), Weight 18–22 kg (40–49 lb)

Age 7: Height 116–122 cm (45.5–48 inches), Weight 20–25 kg (44–55 lb)

Age 8: Height 122–128 cm (48–50.5 inches), Weight 22–30 kg (49–66 lb)

Age 9: Height 128–134 cm (50.5–52.5 inches), Weight 25–33 kg (55–73 lb)

Age 10: Height 134–140 cm (52.5–55 inches), Weight 28–38 kg (62–84 lb)

Age 11: Height 140–146 cm (55–57.5 inches), Weight 32–42 kg (70–93 lb)

Age 12: Height 146–152 cm (57.5–60 inches), Weight 36–47 kg (79–104 lb)

Age 13: Height 152–160 cm (60–63 inches), Weight 40–55 kg (88–121 lb)

Age 14: Height 158–168 cm (62–66 inches), Weight 45–60 kg (99–132 lb)

Age 15: Height 162–172 cm (64–68 inches), Weight 50–65 kg (110–143 lb)

Age 16: Height 165–175 cm (65–69 inches), Weight 52–68 kg (115–150 lb)

Age 17: Height 168–178 cm (66–70 inches), Weight 54–72 kg (119–159 lb)

Age 18: Height 170–180 cm (67–71 inches), Weight 55–75 kg (121–165 lb)

How to Use This Growth Chart Correctly

Children’s growth is influenced by many factors, including genetics, nutrition, physical activity, sleep quality, and overall health. For this reason, being slightly shorter, taller, lighter, or heavier than average does not automatically indicate a problem.

Instead of focusing on a single measurement, parents should observe growth patterns over time. Consistent and steady growth—whether slower or faster than average—is often a more meaningful sign of healthy development than comparing a child to peers of the same age.

Routine pediatric check-ups are the most reliable way to monitor growth accurately and ensure that development is progressing as expected.

When Should Parents Be Concerned?

Parents may want to consult a healthcare professional if:

A child’s height or weight changes suddenly
Growth slows significantly or stops for an extended period
A child consistently falls far below or above expected ranges
There are concerns about appetite, energy levels, or overall well-being

A pediatrician can evaluate growth patterns in context and provide personalized guidance if further assessment is needed.

Supporting Healthy Growth Naturally

Healthy growth is best supported through simple, consistent daily habits, such as:

Balanced, nutrient-rich meals appropriate for each age
Regular physical activity and active play
Adequate sleep based on age-specific needs
A supportive, low-stress home environment

These foundational habits help children reach their natural growth potential while supporting overall health and development.

Final Thoughts

The standard height and weight chart for children ages 1–18 is a helpful reference—not a rigid standard. Every child’s growth journey is unique. By focusing on long-term health, emotional well-being, and sustainable daily habits, parents can support their children in growing strong, confident, and healthy at their own pace.