Height Percentile Calculator: 1 Month Onwards, Gender and Country Specific

Use this height percentile calculator to see how your height compares to others within a specific gender, age group, and country, or globally. For children and adolescents, the data is primarily based on U.S. CDC growth charts, while data for newborns and toddlers is derived from WHO’s Child Growth Standards.

The calculator accommodates measurements in feet and inches, as well as centimeters, making it versatile and user-friendly. Whether you’re curious about your height relative to others or tracking a child’s growth, this tool provides valuable insights into height percentiles.

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What is a Height Percentile?

The height percentile is a measure that indicates how a person’s height compares to others in a specific population group. For example, if a child is in the 90th percentile, they are taller than 90% of children of the same age and gender in the selected country. Conversely, they are shorter than the remaining 10%. This tool is useful for parents, caregivers, and healthcare providers to understand how a child’s growth compares to their peers.

Using the Height Percentile Calculator

The height percentile calculator allows you to determine the height percentile for individuals based on their age, gender, and country. Here’s a step-by-step guide on how to use it:

  1. Select Gender: Choose the biological sex of the person whose height you are measuring. Options are “Boy” or “Girl.”
  2. Enter Age:
    • For children and infants, input the age in years and months. For example, for a 1-year-6-month-old child, enter “1” in the years field and “6” in the months field.
    • For countries other than United Stated, only the years data from 5 years to 19 years is available.
  3. Input Height:
    • You can enter the height in either centimeters (cm) or feet and inches.
    • If using feet and inches, select the appropriate values from the drop-down menus.
  4. Select Country: Choose the country for which you want to compare the height. The height data is based on the population of the selected country, making the comparison more relevant.
  5. Calculate: Press the “Calculate” button to see the results. The calculator will display the height percentile, indicating how the height compares to others in the selected demographic group.

How the Calculator Works

The height percentile calculator assumes that height distribution within a population follows a normal distribution. This means that most people’s heights cluster around the mean (average) value, with fewer people being extremely short or tall.

The calculation involves the following steps:

  1. Data Filtering: The tool filters the height data based on the selected country, age, and gender.
  2. Mean and Standard Deviation: Using the filtered data, the calculator identifies the mean height and the standard error for the specified group. The standard error is used to approximate the standard deviation.
  3. Z-Score Calculation: The Z-score represents how many standard deviations a height is from the mean. It is calculated using the formula:Z-score=Height−Mean HeightStandard DeviationZ-score=Standard DeviationHeight−Mean Height​
  4. Percentile Calculation: The Z-score is converted into a percentile using the cumulative distribution function of the normal distribution. This percentile indicates the proportion of the population that the measured height exceeds.

Data Sources

The height data for the calculator comes from reliable sources, including:

  • World Health Organization (WHO): Provides growth standards for infants and children up to 24 months.
  • United States Centers for Disease Control and Prevention (CDC): Supplies growth charts for children and adolescents up to 20 years based on the NHANES population survey.
  • National Surveys: Data for adults is sourced from national surveys of various countries, ensuring a comprehensive dataset.

Practical Example

Suppose you want to compare the height of a 2-year-old girl from the United States. You enter her age as “2” years and “0” months and her height as 86 cm. After selecting “United States” as the country and clicking “Calculate,” you might find that she is in the 75th percentile. This means she is taller than 75% of 2-year-old girls in the United States.

Important Considerations

  • Health Advice: The results from the height percentile calculator should not be used as medical advice. Always consult a healthcare professional for health-related concerns.
  • Data Accuracy: The accuracy of the height percentiles depends on the quality and coverage of the data. While efforts are made to use the best available data, some variability may exist due to factors like self-reporting errors in surveys.

Average Heights

The average height for adult men globally is approximately 171 cm (5 ft 7 in), while for women, it is around 159 cm (5 ft 2 ½ in). These averages can vary significantly by region and country due to genetic and environmental factors.

Here is the image showing the mean height by age and gender based on CDC data for US population.

Detailed Data Table

Here’s the detailed data table of mean heights for males and females by age group:

Age GroupMales (cm)Females (cm)

This table and graph should provide a comprehensive view of how height varies with age and gender based on the real data.

Understanding Children’s Height Percentiles: Short and Tall Stature

Children with Short Stature Based on Height Percentile

Familial Short Stature:

Children with shorter parents often have a similar height pattern. This is known as familial short stature, where one or both parents are short, but the child’s growth rate is normal and consistent with their genetic background. It is a hereditary trait and usually does not indicate any underlying health issues.

Constitutional Delay in Growth and Puberty:

Some children experience a slower growth rate during childhood but eventually catch up to their peers during a late onset of puberty. This condition is known as constitutional delay in growth and puberty. These children will typically reach a normal height range as adults, even if they appear shorter during their early years.

Idiopathic Short Stature:

Idiopathic short stature is when a child is shorter than average with no identifiable cause. The child’s growth rate and overall health are normal, and there are no underlying health problems. This condition is often considered a variation of normal growth.

Health Conditions Leading to Short Stature:

Several health conditions can cause short stature, including:

  • Hormone Deficiencies: Low levels of growth hormone or thyroid hormone can result in delayed or stunted growth.
  • Genetic Disorders: Conditions such as Down’s syndrome are associated with shorter stature.
  • Nutritional Deficiencies: Poor nutrition or diseases that cause malabsorption of nutrients can lead to short stature, as essential nutrients are crucial for healthy growth.

Diet and Short Stature:

Dietary factors can influence height. For instance, a diet predominantly consisting of plant proteins, such as rice, has been linked to shorter stature in some populations. Ensuring a balanced diet with adequate protein intake is essential for optimal growth.

Children with Tall Stature Based on Height Percentile

Familial Tall Stature:

Children with taller parents often inherit their height. Familial tall stature, also known as constitutional tall stature, is where the child’s height is consistently above the 97th percentile, and the parental heights are similarly high. This is a normal and healthy growth pattern for these children.

Health Conditions Leading to Tall Stature:

Certain health conditions can cause children to be taller than average:

  • Overnutrition and Obesity: Excessive nutrition and obesity can contribute to overgrowth in children.
  • Hormonal Factors: An excess of growth hormone can result in abnormally tall stature.
  • Genetic Disorders: Some genetic conditions, such as Marfan syndrome, can cause increased height.

Diet and Tall Stature:

Diet can significantly impact growth. Consumption of dairy proteins has been associated with taller stature. Studies have shown that children who consume unsweetened milk and dairy products tend to reach their growth potential more effectively.

Monitoring Growth:

It is important to monitor a child’s height percentile to ensure they are growing at a healthy rate. Regular check-ups with a pediatrician can help identify any abnormal growth patterns early. Calculating a child’s Body Mass Index (BMI) and comparing it to standard BMI charts can also help exclude obesity as a cause of tall stature.

Monitoring Healthy Development with Children’s Height Percentiles

Growth Patterns:

Boys and girls develop at different rates throughout childhood. This growth is strongly influenced by genetics, nutrition, and hormone fluctuations. The most significant growth spurts typically occur during puberty. Girl grow faster and hit puberty early and then their growth stops around 13 years of age however boys continue to grow till 18. Boys can grow as much as 9-10 cm (3.5-4 in) per year during their peak growth period, while girls can grow about 8-9 cm (3-3.5 in) per year. Monitoring a child’s height, weight, and BMI percentile allows parents and healthcare providers to ensure that the child’s growth remains within a healthy range.

Using Percentile Graphs and Calculators:

Height percentile graphs and calculators are valuable tools for tracking a child’s growth over time. These tools help parents understand where their child stands compared to their peers and identify any potential growth issues early.

Consulting Healthcare Providers:

While percentile calculators provide useful insights, it is important to consult healthcare providers for a comprehensive evaluation. Pediatricians can provide personalized advice and conduct necessary tests to ensure that the child’s growth is healthy and address any concerns promptly.

Understanding height percentiles and monitoring growth patterns are essential for ensuring a child’s healthy development. Regular check-ups, a balanced diet, and proper nutrition play crucial roles in supporting a child’s growth and overall well-being.

Fun Facts About Height

The Tallest Living Man:

Sultan Kösen from Turkey holds the record for the tallest living man, standing at an astounding 251 cm (8 ft 3 in). His height is a result of a condition known as pituitary gigantism, where an excess of growth hormone causes abnormal growth.

The Shortest Adult Human:

Chandra Bahadur Dangi from Nepal is recognized as the shortest adult human on record, with a height of just 54.6 cm (1 ft 9 ½ in). His short stature was due to a form of primordial dwarfism, a rare genetic condition.

Historical Changes in Height:

Over the past century, average heights have increased significantly in many parts of the world. This is largely attributed to improved nutrition, healthcare, and living conditions. For instance, Dutch men are now among the tallest in the world, averaging around 183 cm (6 ft).

Genetic Influence:

Genetics play a major role in determining height. It is estimated that 60-80% of an individual’s height is determined by their genetic makeup. The remaining percentage is influenced by environmental factors such as diet and health during childhood.

Height Variability Across Professions:

Certain professions tend to attract individuals of specific height ranges. For instance, professional basketball players are often well above average height, with many players in the NBA standing 200 cm (6 ft 7 in) or taller. On the other hand, jockeys, who race horses, are typically shorter, averaging around 157 cm (5 ft 2 in) to maintain a lighter weight.

The Tallest Historical Figures:

Robert Wadlow from Illinois, USA, was the tallest person in recorded history, reaching a height of 272 cm (8 ft 11 in). His exceptional height was due to an overactive pituitary gland, which continued to produce growth hormone throughout his life.

Height and Perception:

Studies have shown that height can influence social perceptions and interactions. Taller individuals are often perceived as more authoritative and are more likely to hold leadership positions. However, height is just one of many factors that influence personal and professional success.