Your weight alone isn't the most reliable indicator of whether or not you're overweight and how many kilos you may need to lose. Body Mass Index (BMI) is a calculation used to estimate your total amount of body fat and determine which category you fall into: underweight, healthy weight, overweight or obese.
Your BMI is calculated by dividing your body weight in kilograms by your height in meters squared (m2):
BMI = kg / ㎡
But why bother calculating. Just enter your details into our calculator and get your BMI. You will be shown the range of your ideal weight too...