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BMI Calculator

Calculate your Body Mass Index (BMI) and discover your ideal weight range for optimal health.

Your Details

cm
50 cm250 cm
kg
20 kg200 kg

Quick Presets:

Your BMI Results

Your BMI

24.2

Normal Weight

Healthy weight range

BMI Scale

24.2
<18.518.5-24.925-29.9≥30
UnderNormalOverObese
Height

170 cm

Weight

70 kg

Healthy Weight Range

53.5 - 72.0 kg

You are 11.6% above ideal weight

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Understanding BMI

What is BMI?

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

How is BMI Calculated?

BMI = weight (kg) / height (m)². For example, if you weigh 70 kg and are 1.75 m tall, your BMI is 70 / (1.75 × 1.75) = 22.9.

BMI Categories

Underweight: <18.5, Normal: 18.5-24.9, Overweight: 25-29.9, Obese: ≥30. These ranges apply to most adults.

BMI Limitations

BMI doesn't distinguish between muscle and fat. Athletes may have high BMI due to muscle mass, not excess fat.

Healthy Weight Benefits

Maintaining a healthy weight reduces risk of heart disease, diabetes, high blood pressure, and certain cancers.

Beyond BMI

Consider waist circumference, body composition, diet quality, and physical activity for a complete health picture.