BMI Calculator
Calculate Body Mass Index with health classification.
100% Private & Client-Side Execution
Your personal health metrics are never recorded, tracked, or sent across the network. All data resets upon leaving the page.
About BMI Calculator
BMI Calculator estimates Body Mass Index based on height and weight inputs in either metric or imperial units, correlating scores with World Health Organization (WHO) weight classifications.
How to Use BMI Calculator
- Select your preferred measurement system (Metric: kg/cm or Imperial: lbs/inches).
- Input your current weight and height.
- View your calculated BMI score alongside the colored classification badge (Underweight, Normal, Overweight, Obese).
- Review the healthy weight range guidance provided.
Common Real-World Use Cases
- Fitness Enthusiasts: Track body composition trends alongside diet and workout routines.
- Healthcare Educators: Provide visual demonstrations of healthy weight ranges for students.
- Personal Wellness: Screen baseline adult weight categories.
Technical Specifications & Limitations
Guards against zero or negative height and weight values. Designed for adults aged 18+.
Frequently Asked Questions
- What is a normal BMI score?
- According to the WHO, a BMI between 18.5 and 24.9 is categorized as normal weight for adults.
- Is BMI an accurate measure of body fat?
- BMI is a general screening indicator based on weight-to-height ratio. It does not differentiate between muscle mass and adipose tissue.