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At 6'1" and 110 lbs, your BMI is 14.5, placing you in the Underweight category. A BMI of 14.5 falls in the underweight range (below 18.5). This may indicate insufficient body mass for your height. Consulting a healthcare provider is recommended.
14.5
BMI
Underweight
Category
140-189
Healthy range (lbs)
+30 lbs
To healthy low
BMI 14.5: Underweight
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 140 lbs | You are here |
| 18.5 to 24.9 | Normal | 140 to 189 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 190 to 227 lbs | - |
| 30.0+ | Obese | Above 227 lbs | - |
Your BMI of 14.5 puts you in the Underweight category for someone 6'1".
To reach the lower boundary of the healthy range (140 lbs), you would need to gain approximately 30 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 6'1" and 110 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
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 6'1", the healthy weight range based on BMI is 140 to 189 lbs. At 140 lbs, BMI is 18.5 (lower boundary of healthy). At 189 lbs, BMI is 24.9 (upper boundary of healthy). Below 140 lbs is underweight; above 189 lbs is overweight.
BMI only uses height and weight. Body fat percentage measures actual fat tissue as a proportion of total weight, making it more precise for body composition assessment. Two people with the same BMI of 14.5 can have very different body fat percentages depending on muscle mass. Athletes often have BMI values above 25 while maintaining low body fat. Use body fat percentage to set specific fitness goals.
A BMI of 14.5 at 6'1" places you in the Underweight 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 140 to 189 lbs for someone 6'1".
To reach low end (140 lbs)
30 lbs to gain
To reach high end (189 lbs)
79 lbs to gain
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