Feb 10, · The adult height of a child can be predicted using a simple mathematical equation using parent height, current child height, and current child weight. It is valid for children above the age of four. This method of height prediction is known as the Khamis-Roche Method, and it was developed in at Wright State University in Dayton, Ohio. There are also some very simple, but less accurate, methods available. One of them is adding inches ( cm) to the average of the parent's height for a boy and subtracting inches ( cm) for a girl. The second calculator above is based on this method.

In addition, the calculator estimates the length the child has left to grow. The Mid-Parent Rule is a simple formula to calculate adult height. It is based solely on the height of the parents and the child's gender. The height of the opposite gender parent is adjusted or multiplied by a factor. ■ The second step is to add to the value obtained at step 1, either 5 inches (13cm) if the child’s gender is male or subtract 5 inches if the gender of the child is female. ■ The third step is to divide the value obtained at the second step by two, which finds the end results – the child’s future adult .

Enter their height in feet and inches or in cm or meters. If doing this for your child or a child patient, enter their age and height. Finally, press "Predict Adult Height" to get the estimated adult height in centimeters and feet and inches from the height predictor. Another way to estimate a child's adult height is to double a boy's height at age 2 or a girl's height at age 18 months. Remember, a child's height is largely controlled by genetics. It's also important to note that children grow at different rates. Some children begin their growth phases early, while others are .

Jul 17, · Predicted heights are usually within 4 inches, taller or shorter, than actual adult height. Medical conditions and other factors can affect a child's growth.