Imperial BMI Calculator
Calculate your Body Mass Index using imperial units (pounds, feet and inches).
Weight Converter: Pounds ↔ Kilograms
Convert your weight between pounds (lbs) and kilograms (kg).
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Formula: 1 lb = 0.453592 kg | 1 kg = 2.20462 lbs
Quick BMI Conversions
- BMI Formula: Weight ÷ (Height)²
- Metric: BMI = kg ÷ (m)²
- Imperial: BMI = (lbs × 703) ÷ (in)²
- Normal BMI: 18.5 - 24.9
- Underweight: Below 18.5
- Overweight: 25.0 - 29.9
- Obese: 30.0 and above
- [Metric BMI Calculator]
- [Imperial BMI Calculator]
BMI Formula: BMI = (Weight (lbs) × 703) ÷ Height (in)²
Example: For a person weighing 154 lbs, 5 ft 10 in tall: BMI = (154 × 703) ÷ (70)² = 22.1 (Normal weight)
Note: BMI is a screening tool, not a diagnostic of body fatness or health. Consult a healthcare provider for a complete health assessment.