Our calculations take into account an enormous amount of data, taken from measuring human height from millions of samples over a many years. As a result, this calculator is the most accurate height predictor in existance and has been given the seal of approval by a number reknowned health organizations and notable practitioners. Remember, no tool can be 100% accurate, and a number of other environmental factors too long to list can impact on your growth, however there is no better prediction available than ours.