BMI Calculator
Calculate your Body Mass Index instantly. Enter your weight and height to see your BMI category.
Enter Your Details
Weight Unit
Height Unit
BMI Scale
15 18.5 25 30 40
Underweight <18.5
Normal 18.5-24.9
Overweight 25-29.9
Obese 30+
Your Results
Your BMI
22.8
Body Mass Index
Category
Normal
Weight 150 lbs
Height 5' 8"
Weight (kg) 68.0 kg
Height (m) 1.73 m
Understanding Your BMI
Body Mass Index (BMI) is a measure that uses your height and weight to estimate body fat. While it doesn't directly measure body fat, it provides a reliable indicator for most adults.
BMI Categories
- Underweight (BMI < 18.5) - May indicate malnutrition or underlying health conditions
- Normal Weight (BMI 18.5-24.9) - Indicates a healthy weight range
- Overweight (BMI 25-29.9) - May increase risk of certain health conditions
- Obese (BMI 30+) - Higher risk of heart disease, diabetes, and other conditions
Limitations of BMI
- BMI doesn't account for muscle mass, bone density, or overall body composition
- Athletes may have high BMI due to muscle mass but not be overweight
- BMI may not be accurate for elderly individuals
- It doesn't distinguish between different types of body fat
BMI should be used as a screening tool, not as a diagnostic measure. Consult a healthcare provider for a more comprehensive health assessment.