Convert and calculate your height between feet, inches, and centimeters instantly. Our free height calculator provides accurate conversions for health, fitness, and growth tracking. You can also explore how height develops over time and understand what factors influence growth potential.
Type your height into the calculator. Example: 170 cm or 5 ft 7 in.
Choose your current measurement — centimeters, feet, inches, or meters.
See your height automatically converted across all other units. Example: 170 cm = 5 ft 6.9 in = 1.70 m
Find your exact age in years, months, and days.
Add, subtract, or convert time durations easily.
Calculate your Body Mass Index using height and weight.
Determine the number of days between two dates.
Estimate how many calories your body burns at rest.
Calculate your total daily energy expenditure based on activity level.
Gain insights into height development, prediction methods, and essential conversion factors.
“How tall will I be?” or “How tall will my child be?” are questions many people ask. A person’s height is largely determined by genetics (60–80%), with the remainder influenced by nutrition, sleep quality, physical activity, and overall health. Children of very tall or short parents often end up closer to the average height due to a concept called regression toward the mean.
Infants and toddlers grow the fastest. Growth slows after age 2, then accelerates again during puberty before stopping completely — around age 15 for girls and age 18 for boys. Over time, adults may experience a small decrease in height due to changes in bone density, posture, and spinal compression.
Several methods can estimate how tall a child will become as an adult. While no prediction is exact, these approaches offer a reasonable range:
The CDC Growth Charts are another reliable tool for estimating a child’s future height. These charts compare a child’s current measurements against U.S. population percentiles based on age and sex, helping to identify growth patterns and potential height outcomes.
While you can’t change your genes, you can influence how close you get to your natural height potential. During childhood and adolescence, healthy habits play a major role in maximizing growth:
After puberty, most people reach their full height, but staying active and maintaining bone health can prevent early shrinkage and keep you standing tall well into adulthood.
The LiteCalc Height Calculator provides exact conversions between centimeters, meters, feet, and inches using standardized formulas.
Aging causes bone density loss and thinner spinal discs, leading to gradual height reduction — typically starting around middle age.
Yes, it includes information on height prediction methods like the Khamis-Roche and bone age techniques, though results are always estimates.
Roughly 60–80% of height is genetic, while nutrition, sleep, and physical activity account for the rest.
Girls typically stop growing around age 15, and boys around age 18, when growth plates close.
After growth plates close, height cannot increase naturally, but maintaining posture, bone health, and core strength can help preserve stature.
Use our BMI Calculator or Weight for Height Calculator to find healthy weight ranges based on your height.
A height percentile compares your height to others of the same age and sex. For example, being in the 75th percentile means you’re taller than 75% of peers.
Yes. People can lose up to 1 inch (2.5 cm) of height throughout the day due to spinal compression, regaining it after sleep.
Absolutely. Deficiencies in protein, calcium, and vitamins can hinder bone development, especially during growth years.