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BMI Calculator

Calculate your Body Mass Index and find your weight category.

Metric (kg/cm)
Imperial (lbs/ft)
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Body Mass Index
BMI Scale
Under 18.5Underweight
18.5-24.9Normal
25-29.9Overweight
30+Obese

What is BMI and Why Does It Matter?

BMI or Body Mass Index is a measurement that uses your height and weight to estimate whether you are underweight, healthy weight, overweight or obese. It is widely used by doctors and health professionals as a quick screening tool.

BMI Range Chart

Underweight is below 18.5. Normal weight is 18.5 to 24.9. Overweight is 25 to 29.9. Obese is 30 and above. These ranges apply to adults. BMI is a useful starting point but does not account for muscle mass or body composition.

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Frequently Asked Questions

Is BMI accurate?

BMI is a useful screening tool but not a complete health assessment. Athletes with high muscle mass may show a high BMI despite being healthy. Always consult a doctor for a full health evaluation.

What is a healthy BMI for adults?

A healthy BMI for adults is between 18.5 and 24.9. Below 18.5 is considered underweight and above 25 is considered overweight.

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