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Calculate your BMI

Medical supervision is particularly important when losing weight for the very elderly, growing children, and adolescents.

Height (ft)
Height (in)
Weight (st)
Weight (lbs)
Your BMI
Height (m)
Height (cm)
Weight (kg)
Weight (g)
Your BMI

BMI below 20 = Underweight
You are underweight for your height and your health could be at risk. You do not need to be on a weight loss programme. Talk to your doctor or health professional about how you can reach a normal weight.

BMI 20 - 25 = Healthy weight
Well done, you are an ideal weight for your height.

BMI 25 - 30 = Overweight
Your weight is above the ideal range for your height and your health could be at risk.

What does your BMI mean

Medical supervision is particularly important when losing weight for the very elderly, growing children, and adolescents.

BMI Status
50.0+ Malignantly Obese
40 to 49.9 Morbidly Obese
30 to 39.9 Obese
25 to 29.9 Overweight
18.5 to 24.9 Normal
Below 18.5 Underweight

BMI below 20 = Underweight
You are underweight for your height and your health could be at risk. You do not need to be on a weight loss programme. Talk to your doctor or health professional about how you can reach a normal weight.

BMI 20 - 25 = Healthy weight
Well done, you are an ideal weight for your height.

BMI 25 - 30 = Overweight
Your weight is above the ideal range for your height and your health could be at risk.

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