BMI Calculator

Your BMI tells you whether you’re a healthy weight for your height. It’s generally a pretty good indication of whether you’re overweight or not, but can be unreliable if you’re very muscular, over 60, or Asian.

Why do these factors affect my BMI?

Muscular: BMI can’t tell the difference between muscle and fat, so people with a lot of muscle often have high BMIs despite having a low body fat percentage.

Over 60: Because we lose muscle mass as we age

Asian: A ‘healthy’ BMI for Asian people is under 23, not 25, because people of Asian origin are more likely to develop heart disease or type 2 diabetes