Just do it -- That's what they tell you, but it isn't always that simple. It is with Ideal Weight(TM), the best daily weight tracker and BMI (Body Mass Index) calculator. The Tracker: Ideal Weight lets you see the most important information at a glance. Use the slider to select your weight, and the tracker will calculate your BMI (weight range) using our signature Weight Wheel. The app will automatically save your data every time. It's that easy. Our graphs show you exactly what you want to