BMI Calculator
Enter your weight and height to get your Body Mass Index (BMI). Choose metric (kg, cm) or imperial (lb, in). BMI is a screening tool, not a diagnosis.
BMI Calculator
How it works
BMI = weight / height². We use standard formulas. Categories: Underweight (<18.5), Normal (18.5–25), Overweight (25–30), Obese (30+).
When to use it
Use for a quick screening. Discuss results with a healthcare provider.
Frequently asked questions
Is BMI accurate for everyone?
BMI does not account for muscle mass or body composition. It is a population screening tool.