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BMI Calculator — Metric (kg/cm)

Calculate your BMI using metric units (kg and cm). Get instant results with health category classification. Free online tool.

Our BMI Calculator supports both metric (kg/cm) and imperial (lbs/inches) units. Select metric for instant, accurate results.

How to Use This Tool

Type your weight in kg or lbs.

Type your height in cm, feet or inches.

See your BMI score and category instantly.

What is BMI?▼

BMI (Body Mass Index) is a measure of body fat based on height and weight. It helps assess if you're at a healthy weight.

What is a healthy BMI?▼

A BMI between 18.5 and 24.9 is considered normal/healthy. Under 18.5 is underweight, 25–29.9 is overweight, and 30+ is obese.

Is BMI accurate?▼

BMI is a useful screening tool but doesn't measure body fat directly. Athletes may have high BMI due to muscle mass.

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