iPhone Screenshots


This is the official NHS app for measuring body mass index (BMI). It works for adults and children and is the only calculator that uses the Department of Health’s official measurement system. Use it to:
- Measure and track you and your family’s BMI over time
- Set weight loss goals and get tips and advice
- Do quick BMI calculations for others and share via text or email

Key features:

• Performs BMI calculation for adults and children over two years old
• Tracker functionality allows you to view weight and BMI change over time
• Multiple user profiles - great for managing the whole family’s BMI together
• Performs the same calculation for children as the National Child Measurement Programme
• Quick calculation function - allowing you to perform a one-off calculation for a friend or patient, with ability to share the results via text or email
• A helpful tip each time you enter a new weight
• Advice and information - whether you are underweight, a healthy weight, or overweight
• Reminders can be set to prompt you to track your latest weight
• Goal-setting functionality to help motivate you towards a healthy weight
• Guide area featuring health information and advice, real stories, video and podcasts
• Information on how BMI is calculated
• Ability to password protect individual user profiles

What’s New

Version 2.2.1

NHS brand update

Ratings and Reviews

2.9 out of 5
179 Ratings

179 Ratings

123lindag ,

Needs changes

I got this app because I didn't want to get obsessed, no chance of that with this app! As others have said pity historical data can't be used. Shame one can't see on the graph the amount of time it might take to get to goal at current weight loss rates. Above a bmi of 25 we all seemed to be lumped in one 'obese' pile, surely it's obvious a person coming out of super obese into just obese, or obese into just overweight needs to know that, because it's a big mile stone in this weight loss challenge of a life. The cold stark same message each week that reads 'you're still obese' after spending the entire week doing really well is a bit disheartening I have to say. Yet I'm going to continue because I don't want to get obsessed and I would like to know my bmi is slowly getting lower. Please nhs to kind to us fatties and react to what your app users are saying we need!

Shamoos' dad ,

Where's the reward?

My issue is that I have worked hard to shift nearly 3 stone getting my bmi down from 31. That's no mean feat as anyone wanting to use this app will tell you. It's been all hard work and sheer determination. So when entering weights into this app it states "you have lost weight since last time but your bmi is still high". Where is the encouragement in that? "Wow, you're doing well"., "keep going and you'll be there in no time". Some encouragement is needed app developers as right now, you app is just a weight recorder that tell you you're still fat no matter how hard you work. If try a different app if you want to feel motivated. If the NHS really want to tackle obesity then this is not the way forward. Think about what will make people want to lose weight and encourage it. Put yourself in our shoes and see what we need to hear when we excited report that we've lost another pound, another stone even. Until this happens, avoid this app unless you want your soul crushed by a heartless app when you should elated by what you're achieving. Keep up the good work no matter what this app says.

Prepare4trouble ,


The app does exactly what it's supposed to with no problems, however there are plenty of other apps out there that do the same and more. If you want something very basic, this is for you. I have only two issues with it. Firstly I weigh myself in lbs rather than stone or kg and this app doesn't have that capability for some reason. Secondly, whenever you log a weight with a bmi over the healthy range it tells you you are overweight. That's fine for the first time, but when you've lost a few pounds and you go to log it, it'd be nice to get a "well done" or something instead of basically saying "yeah, you've lost a bit but you're still fat". Way to be encouraging, NHS!


Antbits Ltd.
13.6 MB
Health & Fitness

Requires iOS 8.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating
Rated 4+
© 2011 NHS Choices


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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