About BMI & Ideal Weight Calculator
Accurately assess your Body Mass Index (BMI) using WHO classifications. Includes metric and imperial units, visual weight spectrum, ideal healthy weight ranges, and prime BMI calculations.
Key Capabilities & Features
- Metric (cm/kg) and Imperial (ft/lbs) modes
- WHO health category classification
- Interactive slider and numerical inputs
- Ideal healthy weight range indicator
- BMI Prime ratio calculation
How to Use BMI & Ideal Weight Calculator
Select Unit System
Choose between Metric (cm/kg) or Imperial (ft/in, lbs).
Input Measurements
Adjust your height and weight sliders or enter numbers directly.
View Health Assessment
Review your BMI score, classification, and ideal weight target.
Privacy & In-Browser Execution Guarantee
100% private in-browser computation. Your health and body metrics are never tracked or saved.
Frequently Asked Questions
What is a healthy BMI range?
According to the World Health Organization (WHO), a BMI between 18.5 and 24.9 is considered normal/healthy weight for adults.
What is BMI Prime?
BMI Prime is the ratio of your actual BMI to the upper limit of normal BMI (25.0). A BMI Prime under 1.0 is normal weight, while over 1.0 indicates overweight.