26th October 2019


Is a BMI of 18.6 good?

A BMI of less than 18.5 kg/m2 indicates you are underweight. You may need to gain weight. If your BMI is 19 to 24.9 kg/m2, you're are a healthy weight, and should aim to stay that way. A BMI of over 30 kg/m2 is defined as obese and means your health is at risk.

What is a normal body mass index?

The body mass index (BMI) or Quetelet index is a value derived from the mass (weight) and height of an individual. Commonly accepted BMI ranges are underweight: under 18.5 kg/m2, normal weight: 18.5 to 25, overweight: 25 to 30, obese: over 30.

What should your body mass index be?

People with a BMI of less than 18.5 are underweight. A BMI of between 18.5 and 25 is ideal. Somebody with a BMI between 25 and 30 is classed as overweight. A person with a BMI over 30 is obese.
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