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  1. BMI Calculator

    BMI is a measurement of a person's leanness or corpulence based on their height and weight, and is intended to quantify tissue mass. It is widely used as a general indicator of whether a person has a …

  2. Calculate Your BMI - NHLBI, NIH

    Your BMI is just one piece of the puzzle. It’s based on height and weight but doesn’t take into account your muscle mass, bone density, or body composition. Your healthcare provider will consider …

  3. Adult BMI Calculator | BMI | CDC

    Jun 26, 2024 · Body mass index (BMI) is a calculated measure of weight relative to height. For adults, BMI is categorized into underweight, healthy weight, overweight, and obesity.

  4. BMI Calculator Body Mass Index

    Oct 28, 2025 · Numeric BMI values correspond to weight categories including underweight, healthy weight, overweight and obese. BMI is used as an indicator of the relative healthiness of a person.

  5. BMI (Body Mass Index): What It Is & How To Calculate

    What is body mass index (BMI)? Body mass index (BMI) is a medical screening tool that measures the ratio of your height to your weight to estimate the amount of body fat you have. Healthcare providers …

  6. Body mass index - Wikipedia

    Body mass index (BMI) is a value derived from the mass (weight) and height of a person. The BMI is defined as the body mass divided by the square of the body height, and is expressed in units of kg/m …

  7. Adult BMI Calculator - Centers for Disease Control and Prevention

    Based on the information entered, your body mass index (BMI) is 0, indicating your weight is in the category for adults of your height. Obesity is sub-divided into 3 classes, and your BMI falls into Class …

  8. Adult BMI Categories | BMI | CDC

    Mar 19, 2024 · BMI is a calculation of a body person's weight (in kilograms) divided by the square of their height (in meters). For adults 20 and older, BMI categories are based on a person's BMI …

  9. BMI | BMI | CDC

    Body Mass Index (BMI) Information about how BMI is a screening, individual health, and population health measure.

  10. About Body Mass Index (BMI) | BMI | CDC

    Dec 16, 2025 · BMI is a well-established and valuable population health measure. It has been used worldwide for decades to assess trends and make comparisons across time, geographic areas, and …