BMI Amputee Calculator
Calculate accurate BMI for amputees with medical adjustment factors. Accounts for limb loss to provide precise body mass index calculations and health recommendations.
Enter your current weight, height, and amputation type. The calculator adjusts for missing limb weight using medical factors to provide accurate BMI.
Body Measurements
BMI Results
Enter your measurements to calculate BMI adjusted for amputation
Understanding BMI for Amputees
Why Adjust BMI for Amputees?
Standard BMI calculations don't account for missing limb weight, which can lead to inaccurate health assessments. Medical professionals use adjustment factors to estimate what the person's weight would be with intact limbs.
Medical Adjustment Factors
- • Hand: 0.7% of total body weight
- • Forearm: 2.2% of total body weight
- • Upper arm: 6.5% of total body weight
- • Foot: 1.5% of total body weight
- • Lower leg: 6% of total body weight
- • Upper leg: 15% of total body weight
Clinical Applications
Healthcare providers use adjusted BMI calculations for:
- • Nutritional assessment and planning
- • Medication dosing calculations
- • Health risk evaluation
- • Prosthetic fitting considerations
- • Rehabilitation planning
Important Considerations
This calculator provides estimates based on established medical literature. Individual variations exist, and healthcare decisions should always involve medical professionals familiar with your specific situation.
Frequently Asked Questions
How to calculate BMI for amputee?
Calculate BMI for amputees by adjusting body weight using medical amputation factors. Enter your current weight, height, and amputation type. The calculator applies standard adjustment percentages based on medical literature to estimate pre-amputation weight.
Why is BMI different for amputees?
Standard BMI calculations don't account for missing limb weight, which can make amputees appear underweight when they're actually at a healthy weight. Adjusted BMI calculations provide more accurate health assessments by estimating total body weight.
What are amputation adjustment factors?
Medical literature provides standard percentages for different body parts: below-knee 6%, above-knee 15%, below-elbow 2.2%, above-elbow 6.5%, hand 0.7%, foot 1.5% of total body weight. These factors help estimate missing limb weight.
Is this BMI calculator medically accurate?
This calculator uses established medical adjustment factors from prosthetics and rehabilitation literature. However, individual variations exist, and this tool should supplement, not replace, professional medical assessment.
How do you calculate BMI for bilateral amputee?
For bilateral amputations, the adjustment factors are doubled. For example, bilateral below-knee amputation uses 12% adjustment (6% × 2). The calculator automatically applies the correct percentage based on your selection.