This study presents anovel, low-cost system designed to evaluate Body Mass Index (BMI), a widely used indicator of health. The system leverages affordable, readily available components to create a user-friendly and accessible tool for BMI assessment. By combining (specific components, e.g., weight scale, height measurement device, and microcontroller), the system offers a practical and cost-effective alternative to traditional clinical methods. The system’s accuracy was evaluated through rigorous testing against standard BMI calculation methods, demonstrating a high degree of correlation. Furthermore, the system’s portability and ease of use make it suitable for various settings, including home use, community health centers, and remote areas with limited access to healthcare. Potential applications of this system include population health monitoring, early detection of obesity, and personalized health management. The development of such a low-cost system has the potential to significantly improve access to BMI assessment, thereby promoting healthier lifestyles and reducing the burden of obesity-related diseases. Future research directions include exploring additional features, such as real-time feedback and integration with mobile health applications, to enhance the system’s functionality and user experience.