BMI Calculator
Calculate your Body Mass Index instantly. Toggle between imperial and metric units and see where you fall on the BMI scale.
lbs
ft
in
BMI Categories
| Category | BMI Range | Visual |
|---|---|---|
| Underweight | < 18.5 | |
| Normal | 18.5 - 24.9 | |
| Overweight | 25 - 29.9 | |
| Obese | 30+ |
Medical Disclaimer
BMI is a screening tool, not a diagnostic measure. It does not account for muscle mass, bone density, body composition, age, or sex differences. For a complete health assessment, consult a qualified healthcare professional. This tool is for informational purposes only.
How It Works
1
Choose Units
Select imperial (lbs, feet/inches) or metric (kg, cm). Toggle any time -- your inputs will stay separate for each system.
2
Enter Height & Weight
Type in your current weight and height. Your BMI is calculated instantly in real time as you type.
3
View Your Results
See your BMI number, category, healthy weight range for your height, and a visual scale showing exactly where you fall.