The BBC Website has provided an application that, by inputting your location, age, height and weight, plots how you rank in relation to the world’s population for BMI. The new BBC calculator can tell you if you are a healthy weight for your height and how you rank against others globally. Using your age, sex, nationality, height and weight, it will come up with a number representing your Body Mass Index or BMI. This is a measure doctors use to gauge obesity. The app plots your BMI and shows how you compare to people from your own and other nations. [...]