BMI Calculator
Calculate your Body Mass Index (BMI).
Supports both metric (kg/cm) and imperial (lbs/inches) units.
Your BMI
Body Mass Index (BMI) is a measure of body fat based on height and weight.
Metric formula: BMI = weight (kg) / height (m)²
Imperial formula: BMI = (weight (lbs) × 703) / height (inches)²
BMI Categories (for adults):
- Under 18.5 — Underweight
- 18.5 – 24.9 — Normal weight
- 25.0 – 29.9 — Overweight
- 30.0 and above — Obese
Note: BMI is a screening tool, not a diagnostic measure. It does not account for muscle mass, bone density, or body composition. Consult a healthcare professional for a complete assessment.