BMI Calculator
Body Mass Index (BMI) is a reliable indicator of body fatness for most people. Calculate yours to see if you're at a healthy weight for your height.
1 kg = 2.2 lbs | Switch to lbs
1 cm = 0.39 inches | Switch to inches
BMI Categories:
- Underweight: BMI < 18.5
- Normal weight: BMI 18.5-24.9
- Overweight: BMI 25-29.9
- Obesity: BMI ≥ 30
Note: BMI doesn't account for muscle mass. Athletes may have higher BMI without excess fat.
What Is BMI?
Body Mass Index (BMI) is a simple calculation using your height and weight to screen for potential health problems. While not a direct measure of body fat, it correlates with more direct measures of body fat.
Why BMI Matters
BMI helps identify:
- Potential weight-related health risks
- Whether you're at a healthy weight for your height
- When to consider weight loss or gain
Limitations of BMI
BMI may overestimate body fat in:
- Athletes with significant muscle mass
- Pregnant women
- The elderly who may have lost muscle