Your check-up – BMI

Posted on 28 February 2013

A routine check-up is quick and easy – and essential for your long-term health. We look at how investing a little time in your health today can add years to your future by taking one simple test.

Body mass index (BMI)
Your body functions best if it isn’t too heavy. BMI is a general guideline to show whether you have a healthy weight for your height.

Why should I take the test?
Being overweight or obese can lead to heart disease, diabetes, bone and joint problems, and even some cancers. Being underweight can be a sign of malnutrition or eating disorders, or a warning sign for developing osteoporosis.

When should I take the test?
It’s quick and easy to check your BMI at home. It’s good to have your doctor check it about once a year as part of a routine physical exam.

How do I take the test?
To calculate your BMI, take your weight (in kilograms) and divide it by the square of your height (in metres). For best results, take off your shoes and stand up straight during measurement.

What do my results mean?
A healthy result: 18,5–25

Warning signs
Underweight: lower than 18,5
Overweight: 25–30
Obese: higher than 30

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The information provided in this article was correct at the time of publishing. At Mediclinic we endeavour to provide our patients and readers with accurate and reliable information, which is why we continually review and update our content. However, due to the dynamic nature of clinical information and medicine, some information may from time to time become outdated prior to revision.