Free tool
Check your BMI
with Dr RuwendeYour body mass index and healthy weight range. For adults 18 and over.
Your result
Your BMI is
Your weight is below the healthy range for your height. A doctor or nurse can help you find out why, and how to build up your strength safely.
Your weight is in the healthy range for your height. Keep up the meals and daily movement that help you stay here.
Your weight is a little above the healthy range for your height. Small, steady changes to meals and daily movement can make a real difference.
Your weight is well above the healthy range for your height, which can raise the risk of diabetes, high blood pressure and sore joints. A doctor can help you make a plan that works for your life.
UnderweightHealthy weightOverweightObeseHealthy weight for your height
Waist-to-height ratio
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Your waist is less than half your height, which is a good sign for your heart.
Your waist is more than half your height. Weight around the middle can raise the risk of diabetes and heart disease, so it is worth keeping an eye on.
Your waist is well over half your height. This raises the risk of diabetes and heart disease, and a check-up with a doctor is a good next step.
HealthyRaisedHighBMI is a guide, not a diagnosis. It is less accurate for pregnant women, very muscular people and older adults. Speak to a doctor about your health.