BMI Calculator

This BMI calculator estimates body mass index from height and weight so you can screen for underweight, healthy range, overweight, and obesity categories. It is best used as a quick health indicator and a way to track change over time, not as a full body composition assessment.

Best Use

Quick screening, routine check-ins, and simple comparison when weight or height values change.

What To Compare

Run the calculator using current values, then compare with a target weight range or previous measurements for trend tracking.

Important Limit

BMI does not directly measure fat percentage, muscle mass, or health conditions, so interpret it with context.

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BMI Calculator

Calculate your Body Mass Index to assess your weight status and health risks

BMI Calculator
Enter your height and weight to calculate your BMI
cm
kg
BMI Categories
Understand what your BMI result means
Underweight
BMI: < 18.5
May indicate malnutrition or other health issues
Normal Weight
BMI: 18.5 - 24.9
Considered healthy weight range
Overweight
BMI: 25.0 - 29.9
Increased risk for health conditions
Obese
BMI: ≥ 30.0
High risk for serious health problems