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| BMI | Classification |
|---|---|
| Under 18.5 | Underweight |
| 18.5 - 24.9 | Normal Weight |
| 25-29.9 | Overweight |
| 30-34.9 | Obesity Class I |
| 35-39.9 | Obesity Class II |
| Over 40 | Obesity Class III |
*This BMI calculator is not applicable if you are below 20 years old. BMI is interpreted differently for children and teens, even though it is calculated using the same formula as adult BMI. Please consult with your healthcare provider for BMI information for under 20s.
Your result: Normal weight
Your weight is within the normal BMI range.
Recommendation
The medical community recommends that you keep your weight within this range.
People living with overweight, or obesity have a higher risk of developing cardiovascular disease (CVD), also known as heart disease.
Although both BMI and Waist to Height Ratio (WHtR) can be used to assess a person’s risk of developing CVD, WHtR is considered to be a stronger predictor of cardiovascular risk factors, such as high blood pressure and high cholesterol.
BMI is used to indicate a person’s weight category, based on their height and weight. WHtR, on the other hand, is used to measure the distribution of a person’s body fat, based on their height and waist circumference. Measuring WHtR is important, as an excess level of fat stored around the abdomen, in particular, is associated with an increased risk of developing heart disease.
Knowing both your BMI and WHtR can help you to improve your heart health by understanding whether action should be taken to manage your weight.
Click here to calculate your Waist to Height Ratio and what this means for you.
If your BMI shows that you're in the overweight or obesity range, it may be time to make changes so that you can be at a healthier weight. Many things can affect your weight, so you can also try to manage it in different ways. Click on an item below to see what you can do to make a change today.
Nutrition
There is no perfect diet for losing weight. But there are scientifically proven ways of eating that can help you manage weight and prevent the weight from coming back. Focus on managing a healthy weight instead of going to extremes in limiting how much you eat. Here are some examples of diets for obesity treatment:
Learn more about starting healthier ways of eating and choosing foods for better weight control here
Mental health
There are many reasons why we gain and lose weight and sometimes, they have to do with how we feel.
Some people use food to cope with difficult situations and soothe their feelings. Eating to feel better is called emotional eating - and it's the reason why we sometimes need psychological support instead of diet advice.
Stress can also change the way that you eat and put you at more risk of developing obesity. Learning to manage the stress in your life is one strategy you can also include in your weight management plan. Get 8 tips for managing your stress and your weight.
Activity
Regular exercise is very important for losing and managing your weight. To make sure that your weight management programme is as effective as possible, consider adding aerobic and resistance exercises to your routine.16 You should also move more in general.
Find tips for getting a good start on a new exercise programme here.
Sleep
Getting too little sleep can affect your hormones, which can then affect how and what you eat. When you sleep better, you're better able to make healthy choices and resist tempting foods. Try these tips to improve your sleeping habits:
Learn more about getting the sleep your body and mind need here.
Your obesity health risk
Calculating your BMI can be a good first step towards taking control of your health. However, BMI alone doesn't tell the full story. For a more comprehensive understanding of obesity-related health risks, especially when it comes to heart health, calculate your Waist-to-Height Ratio.
Living with overweight or obesity is associated with an increased risk of mortality and other diseases or conditions. Generally, the higher your BMI, the greater the chance of developing other chronic obesity-related diseases, including:
BMI is a good way to check your risk of diseases related to body fat. Living with overweight or obesity is associated with an increased risk of mortality and other diseases or conditions. Generally, the higher your BMI, the greater the chance of developing other chronic obesity-related diseases, including:
Ask your doctor for more information about any of these diseases and how they relate to your BMI.
BMI is a simple and objective measurement, but it can be misleading in certain cases and for some groups of people. Research has shown that BMI is less accurate in predicting the risk of disease in people who are older, athletes, those who are tall or short, and those with more muscular body types. For example, elite athletes or bodybuilders have more muscle and weigh more, which makes their BMI higher.
BMI also doesn't take into account:
It's important to remember that living with obesity doesn't necessarily mean you're unhealthy, just as being at a ‘normal’ weight doesn't mean you're healthy. Your BMI doesn't define you, but knowing and understanding your BMI can be a powerful tool for taking charge of your own health.
Regardless of your BMI, healthcare professionals recommend having a healthy diet and lifestyle. Talk to your doctor about your weight and health and evaluate what actions may be needed.
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