Medically reviewed by Dr. Anuradha Bansal, MDDr. Anuradha BansalMDExpertise: Pediatrics and NeonatologyExperience: 13 years
Dr. Anuradha Bansal is a highly accomplished pediatrician and neonatologist with 13 years of professional experience. Presently, she is working as Assistant Professor in the Department of Pediatrics at PIMS Jalandhar. She has done her MBBS and MD Pediatrics at GMCH, Chandigarh.
Written by Swati Patwal, M.Sc. (Food & Nutrition), MBA swati patwalM.Sc. (Food & Nutrition), MBAExpertise: Food, Nutrition and HealthExperience: 10 years
Swati Patwal is a clinical nutritionist, a Certified Diabetes Educator (CDE) and a toddler mom with more than a decade of experience in diverse fields of nutrition. She started her career as a CSR project coordinator for a healthy eating and active lifestyle project catering to school children.
Edited by Rebecca Malachi, BSc rebecca malachiBScExpertise: Pregnancy, Health and WellnessExperience: 12 years
Rebecca is a pregnancy writer and editor with a passion for delivering research-based and engaging content in areas of fertility, pregnancy, birth, and post-pregnancy. She did her graduation in Biotechnology and Genetics from Loyola Academy, Osmania University and obtained a certification in ‘Nutrition and Lifestyle in Pregnancy’ from Ludwig Maximilian University of Munich (LMU).
MomJunction believes in providing reliable, research-backed information to you. As per our strong editorial policy requirements, we base our health articles on references (citations) taken from authority sites, international journals, and research studies. However, if you find any incongruencies, feel free to write to us.
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Height Calculator - Predict Child’s Future Height Using Khamis-Roche
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Curious! Know How Tall Your Child Will Be As An Adult?
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Your ’s Predicted Height will be at the age of 18.
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How Tall Will My Child Be?
How tall would your child grow? As a parent, it’s natural to be curious about how tall my child will be as an adult. The height of a child is largely determined by genetics. Though other factors such as nutrition, exercises, child’s health condition, gender, and the mother’s health during pregnancy also contribute to the height of the child.
Scientific studies (1) suggest that a child’s height is mostly influenced by genes and gender. These two factors contribute to 70% of growth and the rest 30 % is based on nutritional factors and environmental factors. At times, diseases, illness and certain medications also inhibit growth or lead to shorter stature at the age of 18. The child might be as tall as the average height of the parents. Infants and toddlers grow fast and subsequently the rate of growth descends. It again picks up during puberty. In girls, it levels off at 15 years and boys at 18 years.
A child height calculator predicts your child’s height using certain parameters such as gender, the child’s current weight and height, the parents’ height and so on. There are a number of methods, such as Khamis-Roche and skeletal age, to calculate the accurate height of a child. MomJunction’s predict child’s future height using Khamis-Roche method. This method is 90% accurate. This means your child could be a bit taller or shorter than the predicted estimates. Based on the predictions you can take corrective actions if need be or consult a doctor, change the child’s diet, or include some exercises in their routine. Khamis-Roche height method uses the child’s gender, current height and weight and the height of the parents.
General Height Guidelines
Most parents use the height and weight chart to track their child’s growth and development. The chart helps the parents to take necessary steps if the child is not on par with the average weight and height of age . Here are the guidelines for your child’s height:
Child’s physical age
Height (in cm)
0 to 12 months
Grows by 25cm approximately
1 to 2 years
Increases by 13cm approximately
2 to 3 years
Grows 9cm approximately every year. Most children double their birth height by the time they are four years old or reach atleast 100cm.
3 years to puberty
6cm every year. Puberty causes rapid growth spurts that vary from one child to another.
In the US, the average height of males (2) at 20 years and above is 175.7cm ( 5’ 9½”) and females is 161.8cm or (5’ 3½”).
How To measure your child’s current height?
Let your child stand on a flat area with shoes removed and their back against the wall.
Their heels, buttocks, shoulders, and head should be touching the surface of the wall. Let him look straight.
Hold a scale or a book along the tip of his head and mark the point on the wall.
Ask your child to stand straight and not move their head up and down while you are marking their height.
Now measure the height from base to the mark using a measuring tape.
What is Khamis-Roche Method?
Developed by Khamis and Roche, this method is used for kids from four to 17 years. After several years of research, Dr.Khamis and Dr.Roche have found that the following factors contributed to the growth of the child. (4)
Gender
Mid-parental height
Child’s current height
Child’s current weight
Skeletal age
These five parameters helped to predict the height the child would reach as an adult. The skeletal age required an x-ray of the left wrist and hand, so this parameter was eliminated from the Khamis calculator.
The older Khamis Roche method doubled the height of the child at two years. But this method was proven unreliable, especially for girls. So, Dr.Roche modified the equation on the basis of the results from the Fels Longitudinal Study (5). The new equations of height formula are proven to be accurate.
Males: 22.7 + 1.37 times height at 2 years
Females: 25.0 +1.17 times height at 2 years
These early methods help pediatricians and parents to estimate a child’s adult height. But they were not accurate . So, a new statistical model was eventually developed based on the child’s gender, age, current height and weight of the child and the height of the parents from the large longitudinal study. This method is called the Khamis Roche Method. It can be applied only to kids over the age of 4. This method provides the table of the coefficient of current height of the child, the coefficient of weight of the child, coefficient of average parental height and Beta coefficient. The height of the child at 18 years can be predicted by obtaining the coefficient from a table, multiplied by their corresponding measurement and added together with beta coefficient. These coefficients are separate for girls and boys.
Limitations Of Khamis Roche Method
Khamis Roche method can be applied only to healthy Caucasian children.
This Caucasian study did not have participants from other races; the study was strictly based on Caucasian kids born to Caucasian parents.
Khamis Roche method used to predict the height of children of 4 years and more.
There is still a margin of error of 1.7 inches for girls and 2.1 inches for boys in predicting the height of your child at 18 years.
Estimation of child height below 4 years of age can be inaccurate.
Error: Number of questions and answers should be the same.
References
MomJunction's articles are written after analyzing the research works of expert authors and institutions. Our references consist of resources established by authorities in their respective fields. You can learn more about the authenticity of the information we present in our editorial policy.
Gray, Horace. “Prediction of Adult Stature”. Child Development Volume 19 Number 3. 3 September 1948. Society for Research in Child Development.
Khamis, Harry J and Roche, Alex F. “Predicting Adult Stature Without Using Skeletal Age: The Khamis-Roche Method”. Pediatrics. October 1994. American Academy of Pediatrics.
Khamis HJ, Roche AF. Predicting adult stature without using skeletal age: The Khamis-Roche method. Pediatrics. 1994; 94: 504-507 (Corrected data in Pediatrics 1995; 95: 457).
Disclaimer:
One of your first brushes with hCG will be when you take a home pregnancy test or get a blood test done to determine whether or not you are pregnant. Whatever your results, make sure you run them by your doctor to know exactly what’s happening. It’s possible that the hCG levels may sometimes also show a false reading, it is best to get it checked through your medical care professional.
Dr. Anuradha Bansal is a highly accomplished pediatrician and neonatologist with 13 years of professional experience. Presently, she is working as Assistant Professor in the Department of Pediatrics at PIMS Jalandhar. She has done her MBBS and MD Pediatrics at GMCH, Chandigarh.
Swati Patwal is a clinical nutritionist, a Certified Diabetes Educator (CDE) and a toddler mom with more than a decade of experience in diverse fields of nutrition. She started her career as a CSR project coordinator for a healthy eating and active lifestyle project catering to school children.
Rebecca is a pregnancy writer and editor with a passion for delivering research-based and engaging content in areas of fertility, pregnancy, birth, and post-pregnancy. She did her graduation in Biotechnology and Genetics from Loyola Academy, Osmania University and obtained a certification in ‘Nutrition and Lifestyle in Pregnancy’ from Ludwig Maximilian University of Munich (LMU).