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Adult BMI Calculator
Calculate body mass index from height and weight with an adult screening category.
Results
Enter your values and select Calculate to see the result.
Formula and assumptions
BMI = weight in kilograms / (height in metres)².
For adults aged 20 and over. BMI is a screening measure, not a diagnosis; it does not distinguish muscle from fat or account for pregnancy. Discuss health concerns with a qualified clinician.
Frequently Asked Questions
BMI = weight in kilograms / (height in metres)².
For adults aged 20 and over. BMI is a screening measure, not a diagnosis; it does not distinguish muscle from fat or account for pregnancy. Discuss health concerns with a qualified clinician.
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