BMI Calculator
Calculate your Body Mass Index using height & weight
Your BMI
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BMI Scale:
Underweight
< 18.5 Normal
18.5 - 24.9 Overweight
25 - 29.9 Obese
30+
< 18.5 Normal
18.5 - 24.9 Overweight
25 - 29.9 Obese
30+
Healthy Weight Range:
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About BMI
What is BMI?
Body Mass Index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.
BMI Categories:
Underweight:
BMI less than 18.5
Normal weight:
BMI 18.5 - 24.9
Overweight:
BMI 25 - 29.9
Obesity:
BMI 30 or greater
BMI Formula:
BMI = weight(kg) / height(m)²
For imperial: BMI = (weight(lb) / height(in)²) × 703
Limitations:
- Doesn't account for muscle mass
- May not be accurate for athletes
- Doesn't consider body composition
- May vary by ethnicity
Note: BMI is a screening tool, not a diagnostic measure. Consult a healthcare professional for personalized advice.