Check your Body Mass Index (BMI)

BMI is a measure of whether you're a healthy weight for your height. It's widely used to identify if you’re underweight, normal, overweight, or obese.

Who should use this tool

• Adults aged 18 and over.
• Not suitable for pregnant women.
• May not be accurate for athletes or people with high muscle mass.

What you’ll need

• Your age
• Your height (in cm or feet/inches)
• Your weight (in kg or pounds)
• Optional: Your ethnic background