Please Enter your Weight and Height to calculate your Body Mass Index

Enter your Weight

And Your Height

Type in your weight either in stones, pounds or kilograms and your height either in feet, inches or meters.

BMI Calculator

Welcome to the BMI Calculator.
The simple and hassle free way to determine your body mass index. Body mass index can determine if you are overweight or obese, underweight or normal.

For those conscious of their health, calculating BMI can lead to a change in lifestyle that may otherwise prejudice present or future health. Just enter your weight and height in the calculator and get your results in an instant.
Take charge of your health today!

To add the BMI Calculator widget to your website, please navigate using the buttons on this page.

BMI Information

The body mass index or BMI is a measurement used to estimate a suitable body weight based on an individuals height. BMI indicates the level of body fat. Simple BMI classifications give every person the knowledge to improve their health. In broad terms, BMI of 18.5 or lower is considered under-weight. 18.5 to 24.5 is considered to fall within the healthy range. Over 25 indicates being over weight. Over 30 falls within a range considered obese. BMI Calculator offers you an online body mass index calculator a quick and easy way to assess whether your particular weight falls within a range considered healthy. There are reasons why monitoring your BMI promotes good health. The health benefits of having a normal BMI reading being a reduced risk of diabetes, high blood pressure, heart disease, and stress on your joints. For people with a lot of weight to lose, their normal BMI weight provides them
with a goal to aim for.

The BMI classifications also enable health professionals to recognize people with a low BMI who possibly have an eating disorder, or it can alert them to certain health problems that a person with a high BMI may have. It shouldn’t be ignored and plays a important role in helping you to manage your long-term health.'s Weight Management Service

Need help to lose weight? is here to support you on your journey to achieving a healthy weight and to maintain this. You can request a prescription for oral or self-injectable medication online with, avail of ongoing patient support via our doctor messaging service, and gain access to our library of weight management resources such as our healthy eating webinars.

All you need to do is complete a suitability questionnaire. Once approved, our Irish-registered doctors will send your prescription to an Irish pharmacy of your choice. Please note this is a medical weight management service. It is only suitable for patients that are medically obese.

The weight management options we provide are as follows:

  • Self-Injectable Weight Loss Treatment: a once daily, self-injectable medication that can help with weight loss in combination with exercise and healthy eating. Request an online prescription with our doctors for €40.

  • Oral Weight Loss Treatment: a tablet that can be used as part of a weight-loss programme for those who are obese. Request an online prescription with our doctors for €35.