Calculate your height easily with Height Calculator. Get accurate results instantly by entering your measurements.

Predicted height = ( ( Father's Height + Mother's Height + 13 ) / 2 + Child's Current Height + Child's Age ) x 0.54

A height calculator is a tool designed to predict an individual’s future adult height based on current height, age, and parental heights. Utilizing statistical models and growth patterns, these calculators provide an estimate that helps parents and individuals understand potential growth outcomes. While not perfectly accurate, height calculators offer valuable insights into growth trends, influenced by both genetic and environmental factors, and can guide expectations regarding a child’s final adult stature.

How to Use the Height Calculator

Step 1: Choose the Calculation Method

  • Select the desired method from the dropdown menu. In this case, the Khamis-Roche Method is selected.

Step 2: Enter Father’s Height

  • Locate the input field labeled “Father’s Height.”
  • Enter the height of the father in centimeters (cm).

Step 3: Enter Mother’s Height

  • Locate the input field labeled “Mother’s Height.”
  • Enter the height of the mother in centimeters (cm).

Step 4: Enter Child’s Current Height

  • Locate the input field labeled “Child’s Current Height.”
  • Enter the current height of the child in centimeters (cm).

Step 5: Enter Child’s Age

  • Locate the input field labeled “Child’s Age.”
  • Enter the child’s age in years (yr).

Step 6: View Predicted Height

  • After entering all the required values, the predicted height will be calculated and displayed automatically based on the formula provided.

Height Calculator Formula

Predicted Height = ((Father’s Height + Mother’s Height + 13) / 2 + Child’s Current Height + Child’s Age) × 0.54

Methods to Predict Parents’ Height

1. Genetic Potential Method

The Genetic Potential Method uses the heights of the offspring and one parent to estimate the other parent’s height. This method considers the hereditary nature of height.

2. Growth Charts and Percentiles

Using historical growth charts and percentiles can help estimate a parent’s height based on their childhood growth patterns. By comparing these patterns with standard growth charts, an estimate of adult height can be made.

3. Khamis-Roche Method

While typically used to predict a child’s adult height, this method can be adapted for estimating a parent’s height. It involves using the other parent’s height, the child’s current height, and the child’s age.

4. Regression Analysis

Regression analysis uses statistical methods to predict height based on various factors, including the heights of other family members, nutrition, health history, and environmental factors. This approach provides a more comprehensive prediction by considering multiple variables.

5. Bone Age Assessment

This medical method involves taking an X-ray of the child’s hand and wrist to assess bone development. By comparing the bone age with standard growth charts, doctors can make predictions about the child’s eventual adult height, which can be used to infer the parents’ heights.

Methods to Predict Child’s Height

1. Mid-Parental Height Method

The Mid-Parental Height Method is a simple formula that estimates a child’s future height based on the average height of the parents.

  • For boys: (Father’s Height+Mother’s Height+13)/2
  • For girls: (Father’s Height+Mother’s Height−13)/2

2. Khamis-Roche Method

The Khamis-Roche Method uses the child’s current height, weight, and parents’ heights to predict adult height. This method is generally more accurate for children aged 4 to 17.

3. Bone Age Assessment Method

Bone age assessment involves taking an X-ray of the child’s hand and wrist to evaluate the maturity of the child’s bones. The X-ray is compared to standard growth charts that show the average bone development at various ages. Based on the bone age, a more accurate prediction of the child’s adult height can be made.

4. Growth Charts and Percentiles

Growth charts and percentiles are tools used by pediatricians to track a child’s growth over time. By comparing a child’s height and weight with standardized growth charts, predictions can be made about their future height.

5. Genetic Factors

Genetic factors play a significant role in determining a child’s height. Analyzing family history and the heights of close relatives can provide insights into the potential height of the child.

6. Tanner-Whitehouse Method

This method uses a combination of the child’s bone age, height, and the mid-parental height. It involves detailed bone age assessment and growth chart analysis to predict adult height.

Factors That Contribute to a Child’s Height

1. Genetics

Genetics is the primary factor that determines a child’s height. The heights of the parents and other family members significantly influence the child’s growth potential. Genetic factors can account for up to 80% of the variation in height.

2. Nutrition

Proper nutrition is essential for a child’s growth and development. A balanced diet rich in proteins, vitamins, and minerals supports healthy bone and muscle growth. Malnutrition or deficiencies in key nutrients can hinder height growth.

3. Hormonal Factors

Hormones such as growth hormone, thyroid hormone, and sex hormones play a crucial role in regulating growth. Any imbalance or deficiency in these hormones can affect a child’s height.

4. Physical Activity

Regular physical activity and exercise stimulate growth and promote healthy bone development. Activities like swimming, cycling, and stretching exercises can contribute to better height outcomes.

5. Sleep

Adequate sleep is vital for growth, especially during the growing years. Growth hormone, which is essential for height growth, is primarily released during deep sleep.

6. Health Conditions

Chronic illnesses, genetic disorders, and certain medical conditions can impact a child’s growth. Conditions like hypothyroidism, growth hormone deficiency, and Turner syndrome can affect height.

7. Prenatal Factors

Factors such as the mother’s health during pregnancy, prenatal nutrition, and birth weight can influence a child’s growth. Poor maternal nutrition and health complications during pregnancy can affect the child’s height potential.

8. Environmental Factors

Environmental factors such as living conditions, access to healthcare, and exposure to pollutants can impact growth. Children in supportive and healthy environments are more likely to reach their full height potential.

Age and Height Development for Girls and Boys

Age (Years)Average Height for Girls (cm)Average Height for Boys (cm)
4 years102 cm103 cm
5 years109 cm110 cm
6 years115 cm116 cm
7 years121 cm122 cm
8 years127 cm128 cm
9 years133 cm134 cm
10 years138 cm139 cm
11 years144 cm144 cm
12 years150 cm149 cm
13 years155 cm156 cm
14 years158 cm163 cm
15 years160 cm169 cm
16 years162 cm172 cm
17 years162 cm173 cm
18 years162 cm175 cm

How to Measure Height

  1. Prepare the Tools: Use a stadiometer or a measuring tape and a flat, straight object like a ruler or book.
  2. Find a Flat Surface: Stand against a flat wall with no baseboard, ensuring the floor is hard and flat.
  3. Remove Shoes and Accessories: Take off shoes, hats, and any bulky clothing that may affect measurement accuracy.
  4. Stand Straight: Stand with your back straight, feet together, and heels, buttocks, shoulders, and head touching the wall.
  5. Position the Measuring Tool: Place the flat object on top of your head, ensuring it forms a right angle with the wall.
  6. Mark the Height: Make a light mark on the wall at the bottom of the flat object.
  7. Measure the Mark: Use the measuring tape to measure the distance from the floor to the mark on the wall.
  8. Record the Height: Write down the measurement accurately, noting any fractions of an inch or centimeter.

How to get taller?

To get taller, focus on proper nutrition, regular exercise, adequate sleep, and maintaining good posture. These factors support healthy growth during childhood and adolescence.

Is height genetic?

Yes, height is largely genetic. Approximately 60-80% of height is determined by genetics, with the rest influenced by environmental factors.

When do girls and boys stop growing?

Girls typically stop growing around 16 years, while boys usually stop growing around 18 years.

How can I increase my height?

Increasing height after puberty is challenging, but maintaining a healthy lifestyle with good nutrition, exercise, and proper sleep during growth years can help you reach your genetic potential.

Can identical twins be different heights?

Yes, identical twins can be different heights due to variations in nutrition, health conditions, and other environmental factors.

At what age can I start using a height calculator for my child?

Height calculators can be used at any age, but predictions tend to be more accurate for children who are at least 4 years old.