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BMI Calculator

To discover your body mass index, just enter your height (cm), weight (kg), waist (cm - optional), gender and click Calculate

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Your current BMI is:

24.7

This BMI falls into the underweight category.

This is not always a bad thing; many people are naturally very slim and healthy. However, you are more likely to get osteoporosis. If you have lost weight without trying, or think you might have an eating disorder, please talk to your GP.

How to speak to your GP about your weight

Well done. Your BMI and waist circumference show a healthy weight.

This means that you are less likely to develop heart disease, Type 2 diabetes and certain cancers. You are probably a healthy weight because you eat well and take regular exercise. It’s important to keep up these healthy habits.

This BMI is in the underweight category but the waist measurement is large.

Check your measurements and re-enter them. Please talk to your GP if you have concerns.

How to speak to your GP about your weight

Your BMI is in the overweight category, but your waist is still a healthy size.

If you are sporty and muscular this could mean you don't need to lose any weight. If you are not sporty your BMI puts your health at risk and losing weight would be recommended.

While you are not in the overweight category, the waist circumference is a little more than it should be. A combination of physical activity and healthy eating could help reduce your waist size.

This BMI falls into the obese category, but the waist is a healthy size. If you are sporty and muscular this could mean you don't need to lose any weight. If not, please check your measurements. If they are correct please check with your GP before trying to lose weight.

How to talk to your doctor about weight.

This BMI is in the overweight category and there is some fat around your waist. This increases the risk of heart disease. But the good news is that you can turn this around by losing some weight.

Your results show that your BMI is in the obese category and you are storing excess weight around your waist. This means you have an increased risk of developing heart disease, Type 2 diabetes and some cancers.

Please talk to your GP about losing weight and whether it is safe to use this programme.

How to talk to your GP about weight

This BMI falls into the obese category and indicates storing some excess weight around the waist.

There is an increased risk of developing heart disease, Type 2 diabetes and some cancers.

Please talk to your GP about losing weight and whether it is safe to use this programme.

How to speak to your GP about weight

The waist size you entered is very small. Please remeasure your waist and try again.

This BMI, falls onto the underweight category and we would recommend you talk to your GP.

Many people are naturally slim and are still healthy but being underweight can mean you are more likely to get osteoporosis.

How to talk to your GP about weight

Your BMI falls into the healthy weight category.

This means you are less likely to develop weight related problems such as Type 2 diabetes, heart disease and certain cancers.

Continue to eat a good balanced diet and be physically active regularly.

Your BMI is in the overweight category.

This means you have an increased risk of developing heart disease, Type 2 diabetes and certain cancers. Losing weight is beneficial and can be achieved through healthy eating and being active daily.

Follow the Weigh to Live 12-week healthy eating programme for healthy weight loss.

If you are sporty and muscular this could mean you don’t need to lose any weight.

This BMI falls into the obese category.

There is an increased risk of developing heart disease, Type 2 diabetes and some cancers. Please talk to your GP about losing weight and whether it is safe to use this programme.

How to talk to your GP about weight

This BMI falls into the obese category.

You are also more likely to be storing excess weight around your waist which significantly increases your risk of diseases such as heart disease, Type 2 diabetes and certain cancers.

Please talk to your GP about losing weight and whether it is safe to use this programme. 

How to speak to your GP about weight

Your BMI falls into the underweight category and it is recommended you see a GP.

Many people are naturally slim and are still healthy. But be aware that being underweight means you are more likely to get osteoporosis or you may have disrupted periods.

How to talk to your GP about weight

According to your BMI you fall into the healthy weight category.

This means you are less likely to develop weight-related health problems such as Type 2 diabetes, heart disease and certain cancers.

Continue to eat a good, balanced diet and be physically active regularly.

Your BMI is in the overweight category.

This means you have an increased risk of developing heart disease, Type 2 diabetes and certain cancers. Losing weight is beneficial to your health and can be achieved through healthy eating and being active daily.

Follow the Weigh to Live 12-week healthy eating programme for healthy weight loss.

If you are sporty and muscular this could mean you don’t need to lose any weight.

This BMI falls into the obese category.

This means the risk of weight-related diseases such as Type 2 diabetes and heart disease is increased.

Please talk to your GP about losing weight and whether it is safe to use this programme.

How to talk to your GP about weight

This BMI falls into the obese category.

This means you are also more likely to be storing excess weight around your waist, which increases your risk of diseases such as heart disease, Type 2 diabetes and certain cancers.

Please talk to your GP about losing weight and whether it is safe to use this programme. 

How to speak to your GP about weight


Use our weight loss tool to help reduce your BMI


Weight loss tool
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