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How to calculate your BMI (body mass index)

Medically reviewed by Suzanne Fisher, RD Key Takeaways Body mass index (BMI) is a calculation used to estimate your body fat.
Medical Xpress

Body mass index (BMI): What it tells you—and what it doesn't

Body Mass Index, or BMI, is a number that reflects the relationship between your height and weight. It's widely used in health care and public health to categorize body size and estimate potential ...