BMI Calculator – Quick & Easy

BMI Formula: BMI = Weight (kg) / (Height in m)²

BMI Table

Category BMI Range Assessment
Underweight < 18.5 Too low
Normal weight 18.5 - 24.9 Ideal
Overweight 25.0 - 29.9 Slightly elevated
Obesity Grade I 30.0 - 34.9 Elevated
Obesity Grade II 35.0 - 39.9 Strongly elevated
Obesity Grade III ≥ 40.0 Very strongly elevated

BMI Table for Children

Note: For children and adolescents, different BMI values apply as body fat percentage changes during growth. Assessment is based on percentiles.

Frequently Asked Questions

What is BMI?

The Body Mass Index (BMI) is a measure to evaluate body weight in relation to height. It is calculated by dividing body weight in kilograms by the square of height in meters.

How do I interpret my BMI?

BMI provides a rough guideline for evaluating body weight. A BMI between 18.5 and 24.9 is considered normal weight. Values below indicate underweight, values above indicate overweight or obesity.

How can I reach my ideal weight?

To reach your ideal weight, you should focus on a balanced diet and regular physical activity. For significant over- or underweight, we recommend consulting a doctor or nutritionist.