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A healthy weight for a 6'4" woman is approximately 152-205 lbs based on BMI guidelines. Multiple formulas suggest a midpoint around 171 lbs (BMI 20.8). Your ideal weight depends on muscle mass, bone structure, and body fat percentage.
| Method | Weight (lbs) | Notes |
|---|---|---|
| BMI Range | 152-205 | Healthy BMI 18.5-24.9 |
| Robinson (1983) | 168 | Updated clinical formula |
| Miller (1983) | 165 | Population-based estimate |
| Devine (1974) | 181 | Original clinical formula |
| Formula Average | 171 | Midpoint of Robinson, Miller, Devine |
171
avg ideal (lbs)
152-205
BMI range (lbs)
20.8
BMI at midpoint
152-205
full range (lbs)
Two people at 6'4" and 171 lbs can look very different depending on body fat percentage. Explore what each level looks like:
At 6'4", a weight above 205 lbs puts you in the overweight BMI category (25+). However, this does not account for muscle mass. A better approach is measuring body fat percentage. For woman, body fat above 32% is classified as obese by the ACE.
At 6'4", a weight below 152 lbs puts you in the underweight BMI category (below 18.5). Being underweight can lead to nutrient deficiencies, weakened immunity, bone loss, and hormonal issues. If you are underweight, consult a healthcare provider and focus on nutrient-dense foods with adequate protein.
Yes. People with larger bone structures (wider wrists, broader shoulders) naturally weigh more at the same height and body fat. The formulas above provide averages. If you have a large frame, you may be healthy at the upper end of the range (205 lbs). Small-framed individuals may be healthy at the lower end (152 lbs).
If you are above the healthy range, create a moderate calorie deficit of 500 cal/day for ~1 lb/week loss. If below, add a 300-500 calorie surplus. In both cases, prioritize protein (0.8-1g per lb body weight) and resistance training. Use our TDEE calculator to find your maintenance calories and our cutting or bulking guides for a structured plan.
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