Build a BMI Calculator Project | HTML CSS JavaScript Projects for Beginners 2025
Learn how to build a BMI Calculator using HTML, CSS, and JavaScript in this beginner-friendly front-end development tutorial. This project is perfect for students, web developers, or anyone practicing HTML CSS JS projects in 2025.
💻 What You’ll Build in This Tutorial:
A BMI Calculator with input fields for height and weight
Real-time JavaScript logic to calculate BMI
Responsive design with modern CSS styling
Clean UI that shows BMI categories (Underweight, Normal, Overweight, Obese)
Step-by-step guidance covering DOM manipulation & JavaScript math functions
📌 Timestamps:
00:00 – Intro
01:40 – Setting Up the Project
04:30 – Starting the Build
05:30 – Gender Selection Button (HTML)
08:41 – Starting CSS
15:00 – Gender Selection Button (CSS)
24:12 – Input Field for BMI
35:23 – Calculate Button
38:43 – Results Section
51:32 – JavaScript
📂 Source Code: https://codynn.com/labs/create/bmi-ca...
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✅ Perfect for:
HTML CSS JS projects for beginners
Practicing JavaScript, DOM manipulation, and front-end development
Portfolio-ready mini projects for resumes and GitHub
By the end of this tutorial, you’ll have a fully functional BMI Calculator ready to showcase your coding skills and add to your portfolio or GitHub.