The BMI Calculator App is a user-friendly tool designed to help users quickly calculate their Body Mass Index (BMI) using their weight and height. It supports both metric and imperial measurement units, allowing users to input weight in kilograms or pounds and height in centimeters or feet/inches. With a single click, the app processes these inputs to display the user's BMI along with a visual chart indicating their BMI category: Underweight, Normal weight, Overweight, or Obese. The intuitive interface includes dropdown menus for switching measurement units and a designated area for displaying the results, making it easy to understand and compare BMI values. Additionally, the app features a reset button for users to clear inputs and start fresh with new calculations. Ideal for health-conscious individuals, the app ensures accurate BMI calculation with built-in input validation and dynamic updates, enhancing the overall user experience.