Use the NHS body mass index calculator to measure and track your weight. Find out if you're underweight, a healthy weight or overweight and get relevant advice. If you need to lose weight, you can set weight loss goals and get information on losing weight.
The NHS BMI calculator is suitable for adults and children over two years old.
The app is free download on the App Store and Google Play.
Use the app to quickly find out the BMI for anyone over the age of two and share the result by text or email.
If you need to lose weight, use the tracker to set a 10% weight loss goal and stay motivated to reach your goal.
Use the tracker feature to view your weight changes over time and set a reminder to update the app with your latest weight.
The app is full of weight management information and advice, inspirational stories, videos and podcasts.
Use of the tools / apps presented in this library are not intended to be a substitute for a consultation with a healthcare professional. It is up to you to contact a healthcare professional if you are concerned about your health. See our full disclaimer here.