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At 5'4" and 330 lbs, your BMI is 56.6, placing you in the Obese Class III category. A BMI of 56.6 falls in the Class III (severe) obesity range (40 and above). Medical guidance is strongly recommended alongside lifestyle changes.
56.6
BMI
Obese Class III
Category
108-145
Healthy range (lbs)
-185 lbs
To healthy high
BMI 56.6: Obese Class III
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 108 lbs | - |
| 18.5 to 24.9 | Normal | 108 to 145 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 146 to 174 lbs | - |
| 30.0+ | Obese | Above 174 lbs | You are here |
Your BMI of 56.6 puts you in the Obese Class III category for someone 5'4".
To reach the upper boundary of the healthy range (145 lbs), you would need to lose approximately 185 lbs. A sustainable rate is 0.5 to 1 lb per week, which means roughly 247 weeks at a moderate calorie deficit.
Keep in mind that BMI does not account for muscle mass. Two people at 5'4" and 330 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
At 5'4", a weight of 330 lbs gives a BMI of 56.6, which is in the Obese Class III category. The healthy weight range for 5'4" is 108 to 145 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 5'4" is between 108 and 145 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 56.6 falls in the Obese Class III range. A BMI of 56.6 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.
You would need to lose approximately 185 lbs to reach the high end of the healthy range. The healthy BMI range (18.5 to 24.9) corresponds to 108 to 145 lbs for someone 5'4". A sustainable rate of weight loss is 0.5 to 1 lb per week through a calorie deficit of 250 to 500 calories per day.
To reach low end (108 lbs)
222 lbs to lose
To reach high end (145 lbs)
185 lbs to lose
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