A quick screening number, and a plain explanation of what it does and does not tell you.
BMI & Weight Health Calculator
Use our free BMI & Weight Health Calculator to assess your body mass index, track weight goals, and support a healthier lifestyle.
BMI & Weight Health Calculator
Enter Details
⚠ Please enter your height and weight to calculate your BMI.
Your Result
--BMI Score
<18.518.5253035+
Underweight<18.5
Normal18.5–24.9
Overweight25–29.9
Obese I30–34.9
Obese II+35+
BMI is a screening tool, not a diagnosis. It does not account for muscle mass, bone density, body composition, age or ethnicity, and two people with the same BMI can be in very different health. Talk with your provider about what your result means in the context of your full health picture.