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. 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.
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 .
■ 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 . 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.