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At 6'2" and 310 lbs, your BMI is 39.8, placing you in the Obese Class II category. A BMI of 39.8 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.
39.8
BMI
Obese Class II
Category
144-194
Healthy range (lbs)
-116 lbs
To healthy high
BMI 39.8: Obese Class II
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 144 lbs | - |
| 18.5 to 24.9 | Normal | 144 to 194 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 195 to 233 lbs | - |
| 30.0+ | Obese | Above 233 lbs | You are here |
Your BMI of 39.8 puts you in the Obese Class II category for someone 6'2".
To reach the upper boundary of the healthy range (194 lbs), you would need to lose approximately 116 lbs. A sustainable rate is 0.5 to 1 lb per week, which means roughly 155 weeks at a moderate calorie deficit.
Keep in mind that BMI does not account for muscle mass. Two people at 6'2" and 310 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
A BMI of 39.8 falls in the Obese Class II range. A BMI of 39.8 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.
You would need to lose approximately 116 lbs to reach the high end of the healthy range. The healthy BMI range (18.5 to 24.9) corresponds to 144 to 194 lbs for someone 6'2". 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.
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 6'2", the healthy weight range based on BMI is 144 to 194 lbs. At 144 lbs, BMI is 18.5 (lower boundary of healthy). At 194 lbs, BMI is 24.9 (upper boundary of healthy). Below 144 lbs is underweight; above 194 lbs is overweight.
To reach low end (144 lbs)
166 lbs to lose
To reach high end (194 lbs)
116 lbs to lose
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