Simple tools to help you and your doctor assess your weight

The Body Mass Index calculator or waist circumference tool will help you and your doctor to assess your weight. Just fill in the details and the calculations will be done for you.

BMI Calculator

The BMI calculator (BMI: Body Mass Index) is a tool that helps your doctor work out your weight category and your level of health risk due to your weight. BMI is calculated from your height and weight. While BMI isn’t always the perfect measure of weight category, it is a good start. Calculate your BMI and discuss the result with your doctor.

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BMI VALUE WEIGHT CATEGORY HEALTH RISK
18.5 – 24.9 Healthy weight Low
25 – 29.9 Overweight Moderate
Over 30 Obese High

SPEAK TO YOUR DOCTOR ABOUT PRESCRIPTION MEDICINE THAT CAN HELP WITH YOUR APPETITE.

What is your waist circumference?

Measuring your waist circumference is another way to assess health risks related to your weight. Generally, if your waist measurement is over 94 cm for a man or over 80 cm for a woman, your health is more likely to be at risk. These guideline figures can vary though depending on your ethnic background. Once you have measured your waist and filled in your details you can check your results against the chart.

How to measure your waist circumference?
1. Measure directly against your skin
2. Breathe out normally
3. Ensure the tape is snug, without compressing the skin
4. Measure halfway between the lowest rib and the top of the hipbone, roughly in line with the belly button.

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