Amputation BMI Calculator
Accurate Body Mass Index calculation adjusted for limb loss
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About Amputation BMI Calculation
Standard BMI calculations may not accurately reflect body composition for individuals with amputations. This specialized calculator adjusts for missing limb weight to provide more accurate results.
The calculation uses established research data on limb weight percentages relative to total body weight, accounting for gender differences and specific amputation levels.
Limb Weight Percentages
| Amputation Level | Male (%) | Female (%) |
|---|---|---|
| Hand | 0.8% | 0.7% |
| Forearm | 2.3% | 2.1% |
| Entire Arm | 6.6% | 6.2% |
| Foot | 1.8% | 1.6% |
| Below Knee | 7.0% | 6.8% |
| Above Knee | 11.8% | 11.4% |
| Entire Leg | 18.6% | 18.2% |
BMI Categories
Underweight: BMI less than 18.5
Normal weight: BMI 18.5-24.9
Overweight: BMI 25.0-29.9
Obese: BMI 30.0 and above
Important Considerations
Amputation BMI calculations help healthcare providers better assess nutritional status, medication dosing, and health risks. The adjusted BMI provides a more accurate baseline for medical decision-making.
Factors such as prosthetic use, muscle mass changes, and individual body composition variations should also be considered alongside BMI calculations.