Our BMI (Body Mass Index) calculator works out the ratio between your weight and height so you can see if you’re within a healthy weight range.

Medical research recommends a body mass index between 20 and 25 for optimum health. The World Health Organisation classifies a BMI of 25 to 30 as overweight and over 30 as obese.

BMI is a rough guide only. It can’t distinguish whether weight’s fat or muscle so it doesn’t take body type into account. If you’d like a more comprehensive body composition analysis contact your local Lifestyle Health & Fitness Club.