BMI Calculator
Calculate your Body Mass Index and check your health category.
Overview
Calculate your Body Mass Index (BMI) instantly with this browser-based health calculator. Enter your height and weight to see your BMI value, health category classification, and personalized wellness tips — presented with a visual color-coded gauge for intuitive understanding.
Key Features
- Instant Calculation — Enter height and weight to get your BMI result immediately with no page reload.
- Visual Gauge — A color-coded arc gauge shows where your BMI falls: underweight, normal, overweight, or obese.
- Health Category — Clear labeling of which BMI category your result falls into based on WHO standards.
- Personalized Tips — Brief, relevant health suggestions based on your BMI category to encourage healthy habits.
Tech Stack
Built with HTML, CSS, and JavaScript. BMI calculation uses the standard formula (weight in kg / height in m squared). The gauge is rendered using CSS gradients and transforms.
Problem it solves
Understanding your BMI shouldn't require visiting a doctor. This tool gives instant, visual BMI results with actionable health insights.
How it was built
Built with HTML, CSS, and JavaScript. Standard BMI formula, CSS gradient gauge visualization, WHO category classification.
Frequently Asked Questions
Is the BMI Calculator completely free to use?
Yes, the BMI Calculator is 100% free with no account required, no subscription, and no watermarks.
Does BMI Calculator store any of my data or inputs?
No. All generation and calculations run client-side directly in your browser. None of your data or inputs are sent to or stored on external servers.
Can I use outputs from BMI Calculator for commercial projects?
Yes, all results generated with this tool are free to use for both personal and commercial projects without attribution.