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At 5'5" and 350 lbs, your BMI is 58.2, placing you in the Obese Class III category. A BMI of 58.2 falls in the Class III (severe) obesity range (40 and above). Medical guidance is strongly recommended alongside lifestyle changes.
58.2
BMI
Obese Class III
Category
111-150
Healthy range (lbs)
-200 lbs
To healthy high
BMI 58.2: Obese Class III
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 111 lbs | - |
| 18.5 to 24.9 | Normal | 111 to 150 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 151 to 180 lbs | - |
| 30.0+ | Obese | Above 180 lbs | You are here |
Your BMI of 58.2 puts you in the Obese Class III category for someone 5'5".
To reach the upper boundary of the healthy range (150 lbs), you would need to lose approximately 200 lbs. A sustainable rate is 0.5 to 1 lb per week, which means roughly 267 weeks at a moderate calorie deficit.
Keep in mind that BMI does not account for muscle mass. Two people at 5'5" and 350 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
BMI is a useful screening tool but has real limitations. It does not distinguish between muscle and fat, so muscular athletes often show elevated BMI despite low body fat. It also does not account for where fat is stored. Waist-to-height ratio and body fat percentage are more precise measures. Use BMI as a starting point, not a definitive health verdict.
For someone 5'5", the healthy weight range based on BMI is 111 to 150 lbs. At 111 lbs, BMI is 18.5 (lower boundary of healthy). At 150 lbs, BMI is 24.9 (upper boundary of healthy). Below 111 lbs is underweight; above 150 lbs is overweight.
BMI only uses height and weight. Body fat percentage measures actual fat tissue as a proportion of total weight, making it more precise for body composition assessment. Two people with the same BMI of 58.2 can have very different body fat percentages depending on muscle mass. Athletes often have BMI values above 25 while maintaining low body fat. Use body fat percentage to set specific fitness goals.
A BMI of 58.2 at 5'5" places you in the Obese Class III category. BMI (Body Mass Index) is calculated by dividing weight in pounds by height in inches squared, then multiplying by 703. The healthy range is 18.5 to 24.9, which translates to 111 to 150 lbs for someone 5'5".
To reach low end (111 lbs)
239 lbs to lose
To reach high end (150 lbs)
200 lbs to lose
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