BMI-based healthy weight range for 6'4" womans — 152–205 lbs.
Using the WHO BMI standard (18.5–24.9), the healthy weight range for a 6'4" woman is 152 to 205 lbs (68.9–92.8 kg). The midpoint — around 178 lbs — corresponds to a BMI of 21.7.
The classic Devine formula (widely used in clinical settings) gives 181 lbs as a single target for a 6'4" woman.
| Formula | Result (lbs) | Result (kg) | Note |
|---|---|---|---|
| BMI 18.5 (low) | 152 lbs | 68.9 kg | Lower bound of healthy |
| BMI 21.7 (midpoint) | 178 lbs | 80.9 kg | Comfortable healthy midpoint |
| BMI 24.9 (high) | 205 lbs | 92.8 kg | Upper bound of healthy |
| Devine formula | 181 lbs | 82.3 kg | Clinical standard |
If you need to lose weight to reach 178 lbs, a deficit of 500 kcal/day achieves roughly 1 lb loss per week. Use our calculator for a personalized TDEE.
| Goal | Strategy | Expected pace |
|---|---|---|
| Lose weight | 500 kcal/day deficit | ~1 lb/week |
| Maintain ideal weight | Eat at TDEE | Weight stable |
| Gain healthy weight | 250 kcal/day surplus | ~0.5 lb/week |
Calculate your personalized ideal weight and TDEE.
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