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.
Being underweight could be a sign you're not eating enough or you may be ill. If you're underweight, a GP can help.
Keep up the good work! For tips on maintaining a healthy weight, check out the food and diet and fitness sections.
The best way to lose weight if you're overweight is through a combination of diet and
The BMI calculator will give you a personal calorie allowance to help you achieve a healthy weight safely.
The best way to lose weight if you're obese is through a combination of diet and exercise, and, in some cases, medicines. See a GP for help and advice.
Black, Asian and other minority ethnic groups have a higher risk of developing some long-term
(chronic) conditions, such as type 2 diabetes.
These adults with a BMI of:
Measuring your waist is a good way to check you're not carrying too much fat around your
stomach, which can raise your risk of heart disease, type 2 diabetes and stroke.
You can have a healthy BMI and still have excess tummy fat, meaning you're still at risk of developing these conditions.