As a metrically inclined friend, your metrical formula is wrong, it is kg for weight allright but meters for height (not centimeters) or you need to multiply by

As a metrically inclined friend, your metrical formula is wrong, it is kg for weight allright but meters for height (not centimeters) or you need to multiply by 10,000, see example here: https://www.calculator.net/bmi-calculator.html https://www.calculator.net/bmi-calculator.html