Child Height Calculator - Dr. Ismail Healthcare Group

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Child Height Calculator

The Khamis-Roche child height predictor

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 1994 at Wright State University in Dayton, Ohio. The publication of Dr. Harry Khamis and Dr. Alex Roche was called Predicting adult stature without using skeletal age: the Khamis-Roche method. It’s the most accurate method of child height prediction without determining the skeletal age. You can access it here.

For boys, the margin of error is 2.1 inches, and for girls, the margin is 1.7 inches. Please note that this future child height calculator was developed by research on a group of Caucasian children so it can be less accurate for kids of other ethnicities.