Ideal Weight for a 5'9" Female
For a 5'9" female, the healthy weight range is 125–169 lbs (BMI 18.5–24.9). The four medical formulas average about 144 lbs (65 kg). Your best target inside that range depends on frame and muscle — use the calculator below to compare all formulas.
How to use this calculator
Height is pre-set to 5'9" and sex to female — adjust either to compare. Optionally enter your current weight to see where you sit against the ideal range.
Understanding ideal weight at 5'9"
"Ideal weight" is a range, not a single number. At 5'9", the four classic formulas span roughly 142 lbs (64 kg) to 146 lbs (66 kg) because each was fitted to a different population. The healthy BMI range is the widest and most clinically used benchmark. None of these adjust for muscle mass or frame.
Frequently asked questions
Every formula's answer for 5'9" (female)
Four widely used medical formulas plus the healthy BMI range, computed for this exact height:
| Formula | Ideal weight (female, 5'9") |
|---|---|
| Devine (1974) | 146 lbs (66 kg) |
| Robinson (1983) | 142 lbs (64 kg) |
| Miller (1983) | 144 lbs (65 kg) |
| Hamwi (1964) | 144 lbs (65 kg) |
| Average of the four | 144 lbs (65 kg) |
| Healthy BMI range (18.5–24.9) | 125 – 169 lbs |
Weight categories at 5'9"
How BMI classifies weights at this height. BMI is a screening tool — muscular builds can read "overweight" while metabolically healthy:
| Weight at 5'9" | BMI category |
|---|---|
| Under 125 lbs | Underweight (BMI below 18.5) |
| 125 – 169 lbs | Healthy weight (BMI 18.5–24.9) |
| 169 – 202 lbs | Overweight (BMI 25–29.9) |
| 203 lbs and above | Obese (BMI 30+) |
How 5'9" compares to nearby heights
Each inch of height shifts the healthy range by roughly 3–4 lbs:
| Height | Healthy range (female) | Formula average |
|---|---|---|
| 5'7" | 118 – 159 lbs | 136 lbs (62 kg) |
| 5'8" | 122 – 164 lbs | 140 lbs (63 kg) |
| 5'10" | 129 – 174 lbs | 148 lbs (67 kg) |
| 5'11" | 133 – 179 lbs | 152 lbs (69 kg) |
Related calculators
Ideal weight for nearby heights
Each page shows the healthy range and all four formulas for that height.