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At 6'4" and 320 lbs, your BMI is 38.9, placing you in the Obese Class II category. A BMI of 38.9 falls in the Class II obesity range (35 to 39.9). This level is associated with higher risk of cardiovascular disease, type 2 diabetes, and joint issues.
38.9
BMI
Obese Class II
Category
152-205
Healthy range (lbs)
-115 lbs
To healthy high
BMI 38.9: Obese Class II
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 152 lbs | - |
| 18.5 to 24.9 | Normal | 152 to 205 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 206 to 246 lbs | - |
| 30.0+ | Obese | Above 246 lbs | You are here |
Your BMI of 38.9 puts you in the Obese Class II category for someone 6'4".
To reach the upper boundary of the healthy range (205 lbs), you would need to lose approximately 115 lbs. A sustainable rate is 0.5 to 1 lb per week, which means roughly 154 weeks at a moderate calorie deficit.
Keep in mind that BMI does not account for muscle mass. Two people at 6'4" and 320 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
A BMI of 38.9 at 6'4" places you in the Obese Class II 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 152 to 205 lbs for someone 6'4".
At 6'4", a weight of 320 lbs gives a BMI of 38.9, which is in the Obese Class II category. The healthy weight range for 6'4" is 152 to 205 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 6'4" is between 152 and 205 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 38.9 falls in the Obese Class II range. A BMI of 38.9 falls in the Class II obesity range (35 to 39.9). This level is associated with higher risk of cardiovascular disease, type 2 diabetes, and joint issues. 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 (152 lbs)
168 lbs to lose
To reach high end (205 lbs)
115 lbs to lose
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