BMI & Health Matrix Calculator
Free ToolCalculate your Body Mass Index (BMI), healthy weight range, and body classification with metric and imperial units.
Instant 0ms
100% Client-Side
Unit System
cm
ft
in
kg
lbs
Your Body Mass Index
Healthy Weight Range:
Underweight (<18.5)
Normal (18.5???24.9)
Overweight (25???29.9)
Obese (???30)
| Classification | BMI Range | Health Risk |
|---|---|---|
| Underweight | < 18.5 | Nutritional deficiency risk |
| Normal / Healthy Weight | 18.5 ??? 24.9 | Lowest health risk |
| Overweight | 25.0 ??? 29.9 | Moderate risk |
| Obese Class I-III | ??? 30.0 | High cardiovascular risk |
Frequently Asked Questions
Body Mass Index (BMI) is a screening metric that compares your weight to your height squared (kg/m??), indicating if you are underweight, normal, overweight, or obese.
A BMI between 18.5 and 24.9 is considered the normal, healthy weight range for adults by the World Health Organization.
Yes! The calculator provides instant switching between metric (cm, kg) and imperial (ft, in, lbs) units.