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At 5'7" and 340 lbs, your BMI is 53.2, placing you in the Obese Class III category. A BMI of 53.2 falls in the Class III (severe) obesity range (40 and above). Medical guidance is strongly recommended alongside lifestyle changes.
53.2
BMI
Obese Class III
Category
118-159
Healthy range (lbs)
-181 lbs
To healthy high
BMI 53.2: Obese Class III
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 118 lbs | - |
| 18.5 to 24.9 | Normal | 118 to 159 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 160 to 191 lbs | - |
| 30.0+ | Obese | Above 191 lbs | You are here |
Your BMI of 53.2 puts you in the Obese Class III category for someone 5'7".
To reach the upper boundary of the healthy range (159 lbs), you would need to lose approximately 181 lbs. A sustainable rate is 0.5 to 1 lb per week, which means roughly 242 weeks at a moderate calorie deficit.
Keep in mind that BMI does not account for muscle mass. Two people at 5'7" and 340 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
A BMI of 53.2 at 5'7" 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 118 to 159 lbs for someone 5'7".
At 5'7", a weight of 340 lbs gives a BMI of 53.2, which is in the Obese Class III category. The healthy weight range for 5'7" is 118 to 159 lbs. This is above the healthy range. Keep in mind BMI does not account for muscle mass or body composition.
A healthy weight for someone 5'7" is between 118 and 159 lbs, based on a BMI of 18.5 to 24.9. This range reflects the weights most associated with reduced risk of chronic disease. Individual factors like muscle mass, frame size, and body fat distribution also matter.
A BMI of 53.2 falls in the Obese Class III range. A BMI of 53.2 falls in the Class III (severe) obesity range (40 and above). Medical guidance is strongly recommended alongside lifestyle changes. BMI is a population-level screening tool, not a diagnostic measure. Factors like waist circumference, body fat percentage, blood pressure, and cholesterol provide a more complete picture of metabolic health.
To reach low end (118 lbs)
222 lbs to lose
To reach high end (159 lbs)
181 lbs to lose
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