BMI Calculator
Calculate your Body Mass Index
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BMI Categories
Underweight< 18.5
Normal18.5 - 24.9
Overweight25 - 29.9
Obese>= 30
Understanding Your BMI Results
Body Mass Index (BMI) is a simple calculation using your height and weight to estimate body fat.
BMI Categories
- Underweight: BMI less than 18.5
- Normal weight: BMI 18.5 to 24.9
- Overweight: BMI 25 to 29.9
- Obese: BMI 30 or greater
Limitations of BMI
- Does not distinguish between muscle and fat mass
- Athletes may have a high BMI due to muscle, not fat
- May not be accurate for elderly or very short/tall individuals
Understanding Your BMI Results
Body Mass Index (BMI) is a simple calculation using your height and weight to estimate body fat. It's widely used by healthcare professionals as a screening tool.
BMI Categories
- Underweight: BMI less than 18.5
- Normal weight: BMI 18.5 to 24.9
- Overweight: BMI 25 to 29.9
- Obese: BMI 30 or greater
How to Calculate BMI
BMI = weight (kg) / height squared (m2). In imperial: BMI = (weight in lbs x 703) / height in inches squared.
Limitations
- Does not distinguish between muscle and fat mass
- Athletes may have a high BMI due to muscle
- May not be accurate for elderly or very short/tall individuals
- Does not account for body composition or fat distribution
Use BMI as a starting point, not a final diagnosis. Combine it with other measurements like waist circumference and body fat percentage for a complete picture.