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At 6'5" and 150 lbs, your BMI is 17.8, placing you in the Underweight category. A BMI of 17.8 falls in the underweight range (below 18.5). This may indicate insufficient body mass for your height. Consulting a healthcare provider is recommended.
17.8
BMI
Underweight
Category
156-210
Healthy range (lbs)
+6 lbs
To healthy low
BMI 17.8: Underweight
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 156 lbs | You are here |
| 18.5 to 24.9 | Normal | 156 to 210 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 211 to 252 lbs | - |
| 30.0+ | Obese | Above 252 lbs | - |
Your BMI of 17.8 puts you in the Underweight category for someone 6'5".
To reach the lower boundary of the healthy range (156 lbs), you would need to gain approximately 6 lbs. A safe rate of weight gain is 0.5 to 1 lb per week through a calorie surplus combined with resistance training to prioritize lean mass.
Keep in mind that BMI does not account for muscle mass. Two people at 6'5" and 150 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
At 6'5", a weight of 150 lbs gives a BMI of 17.8, which is in the Underweight category. The healthy weight range for 6'5" is 156 to 210 lbs. This is below the healthy range. Keep in mind BMI does not account for muscle mass or body composition.
A healthy weight for someone 6'5" is between 156 and 210 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 17.8 falls in the Underweight range. A BMI of 17.8 falls in the underweight range (below 18.5). This may indicate insufficient body mass for your height. Consulting a healthcare provider is recommended. 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 gain approximately 6 lbs to reach the low end of the healthy range. The healthy BMI range (18.5 to 24.9) corresponds to 156 to 210 lbs for someone 6'5". 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 (156 lbs)
6 lbs to gain
To reach high end (210 lbs)
60 lbs to gain
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