Average Height and Weight from 13 to 19
- John Alen
- Nov 26, 2025
- 4 min read
As teenagers navigate the wild ride of puberty, parents often find themselves poring over charts and calculators, wondering if their child's growth is on track. Between ages 13 and 19, bodies transform at lightning speed—think growth spurts that add inches overnight, shifting body shapes, and the emergence of adult features. This guide breaks down the typical height and weight benchmarks for boys and girls during these pivotal years, drawing from reliable sources like Disabled World. Remember, these are just snapshots of averages; every teen's journey is shaped by their unique mix of genes, habits, and health, so they're more like helpful signposts than strict rules.
The Big Picture on Growth Patterns
Girls usually kick off their major growth phase a bit earlier, often between 10 and 14, while boys hit their stride later, around 12 to 16. By the end of this period, most have reached or neared their adult size. But height and weight aren't the whole story—factors like a nutrient-packed diet, solid shut-eye, active days, and hormonal harmony play starring roles in how much of that genetic blueprint actually shows up.
Typical Heights and Weights by Age and Gender
Here's a rundown of what "average" looks like, based on standard growth data. We've included both imperial and metric measurements for ease.
For 13-year-olds, the starting line of teen stats: Girls typically stand at about 61.7 inches (156.7 cm) and weigh around 101 pounds (45.8 kg), while boys are close behind at 61.5 inches (156.2 cm) and 100 pounds (45.4 kg). This is when the first whispers of a growth spurt might appear, alongside those telltale signs of puberty.
At 14, girls edge up to 62.5 inches (158.7 cm) and 105 pounds (47.6 kg), but boys start pulling ahead with 64.5 inches (163.8 cm) and 112 pounds (50.8 kg). It's a time when boys' frames begin to broaden, packing on muscle and a bit of padding.
By 15, girls stabilize somewhat at 62.9 inches (159.7 cm) and 115 pounds (52.2 kg) as their spurt winds down, whereas boys surge to 67 inches (170.1 cm) and 123.5 pounds (56.0 kg), building that lean, lengthening look.
16-year-olds see girls reaching 64 inches (162.5 cm) and 118 pounds (53.5 kg)—often close to their final height—while boys climb to 68.3 inches (173.4 cm) and 134 pounds (60.8 kg), still in full expansion mode.
For 17-year-olds, girls hold steady at 64 inches (162.5 cm) and 120 pounds (54.4 kg), focusing more on refining their build, and boys hit 69 inches (175.2 cm) and 142 pounds (64.4 kg), with growth tapering but muscle toning up.
At 18, the finish line nears: Girls average 64.2 inches (163 cm) and 125 pounds (56.7 kg), fully embracing adulthood proportions, while boys measure 69.2 inches (175.7 cm) and 147.5 pounds (66.9 kg), their heights mostly locked in.
Finally, 19-year-olds wrap it up with girls at 64.2 inches (163 cm) and 126 pounds (57.2 kg), and boys at 69.5 inches (176.5 cm) and 152 pounds (68.9 kg). Any lingering changes here are subtle, influenced more by lifestyle than biology.
These figures highlight how boys often outpace girls in the later years, closing the gap and sometimes surpassing them in stature.
What Shapes a Teen's Size?
Growth isn't random—it's a team effort. Genetics set the stage, dictating up to 80% of your child's potential height, but the rest hinges on everyday choices. A diet rich in proteins for building blocks, calcium for sturdy bones, and vitamin D for absorption keeps things humming; if meals fall short, a doctor-approved multivitamin might bridge the gap without overcomplicating things.
Don't underestimate sleep—aim for 8 to 10 hours a night, as that's prime time for growth hormones to do their magic, mending tissues and fueling tomorrow's inches. Regular movement, from cardio bursts to strength sessions, pumps those same hormones and shuttles nutrients where they're needed most. Hormones, of course, are the conductors: Estrogen nudges girls toward curves, testosterone builds boys' bulk, all timed to puberty's rhythm.
Lurking in the background? Mental well-being and a happy gut. Stress can throw hormones off-kilter, while a diverse microbiome—fed by fiber and fermented foods—ensures every bite counts toward growth.
Striking the Right Balance: Healthy Weights and Beyond
While these averages give a ballpark, "healthy" weight flexes with height, activity level, and puberty progress. A 13-year-old tipping the scales at 70 pounds might be light for the norm but spot-on if they're petite and thriving—context is key. Skip the panic; chat with a pediatrician for personalized insights, perhaps using BMI as a quick check rather than a verdict.
Everyday Wins for Peak Growth
Want to give your teen the best shot? Start with meals that pack a punch: Picture a plate half-filled with colorful veggies and fruits for vitamins, a quarter with proteins like eggs or beans for repair work, another quarter of whole grains for steady energy, and a drizzle of healthy fats from nuts or avocado. Snacks? Keep them clever—Greek yogurt topped with berries for a calcium-protein duo, or apple slices with almond butter for sustained fuel.
Hydration is non-negotiable: Shoot for 8 to 10 cups of water daily to keep cells plump and metabolism firing; ditch the soda in favor of infused water or a splash of herbal tea.
Get moving with purpose—150 minutes of heart-pumping fun like biking or swimming each week, plus 20-30 minutes of bodyweight strength moves (think lunges or planks) three times over, and daily stretches to stay limber. Posture matters too: Encourage straight spines during homework marathons, with quick shoulder shrugs or standing resets to avoid slouching away precious height.
Wind down right for sleep success—a fixed bedtime, screen-free wind-down with a book, and a cozy, cool bedroom set the scene for those restorative Z's.
Wrapping It Up: Growth Is Personal
These teen years are a golden window, but chasing averages can steal the joy—focus instead on fueling a vibrant, active life that lets your child's true potential shine. If growth stalls or worries crop up, loop in a healthcare pro for tailored advice. And for an extra nudge, explore teen-friendly supplements like those from Doctor Taller to round out nutrition gaps, always with a doctor's green light.
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