BMI Calculator

Calculate your Body Mass Index with a visual health range indicator.

Built with this prompt

Build a BMI calculator in React with:
- Metric (cm/kg) and imperial (ft+in/lbs) unit toggle
- Live BMI calculation as you type
- Category label (Underweight/Normal/Overweight/Obese) with matching color
- A visual health-range bar (15-40) with a marker showing where the BMI falls
- Dark theme, no dependencies
Try in Project Starter →