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โ๏ธ BMI Calculator
Free BMI calculator: enter your weight in kilograms and height in centimeters to get your body mass index and weight category based on WHO ranges.
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About this tool
Body mass index (BMI) is weight in kilograms divided by height in meters squared. Doctors use it as a first, general indicator of weight category.
BMI is only an estimate: it does not separate muscle from fat and is not a substitute for medical advice. Calculations happen in your browser and nothing is saved.
Frequently asked questions
What is a normal BMI?
A BMI between 18.5 and 24.9 is considered normal for adults under the WHO classification.
Is it accurate for athletes and children?
Not fully. Athletes can read as overweight because of muscle, and children use special growth charts.
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