BMI Calculator – Body Mass Index
Calculate your Body Mass Index (BMI) instantly. Supports metric (cm/kg) and imperial (ft/lb) units with result category.
cm
kg
How to Use
- 1
Select metric or imperial units
- 2
Enter your height and weight
- 3
Click "Calculate BMI" to see your result and category
Frequently Asked Questions
What is BMI?
BMI (Body Mass Index) is a measure of body fat based on height and weight. It's used as a general health indicator.
What is a healthy BMI?
A BMI between 18.5 and 24.9 is considered normal weight for adults.
Is BMI accurate for everyone?
BMI is a screening tool, not a diagnostic one. It may not accurately reflect health for athletes, elderly, or children.
Is my data stored?
No — all calculations happen locally in your browser. No data is sent to any server.