BMI Healthy Weight Calculator

Use this calculator to check your body mass index (BMI) and find out if you're a healthy weight. Or you can use it to check your child's BMI.

You can use your BMI result as a starting point for further discussion with a doctor about your weight and general health.

Understanding your BMI result

Underweight: Being underweight could be a sign you're not eating enough or you may be ill. If you're underweight, a doctor can help.
Healthy weight: Keep up the good work! For tips on maintaining a healthy weight, check out the food and diet and fitness sections.
Overweight: The best way to lose weight if you're overweight is through a combination of diet and exercise.
Obese: The best way to lose weight if you're obese is through a combination of diet and exercise, and, in some cases, medicines. Please see a doctor for help and advice.

Source: NHS