The Professional BMI Calculator from instamedic.co.ukTHIS CALCULATOR USES METRIC MEASUREMENTS (CENTIMETRES & KILOGRAMS). GET THE IMPERIAL VERSION FOR POUNDS & INCHES.*No advertising whatsoever*Easy to use interface, just enter height (cm) & weight (kg) into the app and press one button*Generates a scientifically accurate BMI, without rounding the number up to the nearest whole number for greater accuracy.*Provides advice about the BMI generated and tells the user the category (normal, overweight, obese etc.)This app is designed for healthcare professionals and only accepts measurements in centimetres (cm) and kilograms (kg) for maximum accuracy during the BMI calculation. Using feet & inches or pounds does not provide an accurate BMI due to the conversion from imperial measurements to metric measurements which is required.