Ideal Weight for a 5'1" Female
For a 5'1" female, the healthy weight range is 98–132 lbs (BMI 18.5–24.9). The four medical formulas average about 111 lbs (50 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 5'1" 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 5'1"
"Ideal weight" is a range, not a single number. At 5'1", the four classic formulas span roughly 105 lbs (48 kg) to 120 lbs (54 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 5'1" (female)
Four widely used medical formulas plus the healthy BMI range, computed for this exact height:
| Formula | Ideal weight (female, 5'1") |
|---|---|
| Devine (1974) | 105 lbs (48 kg) |
| Robinson (1983) | 112 lbs (51 kg) |
| Miller (1983) | 120 lbs (54 kg) |
| Hamwi (1964) | 105 lbs (48 kg) |
| Average of the four | 111 lbs (50 kg) |
| Healthy BMI range (18.5–24.9) | 98 – 132 lbs |
Weight categories at 5'1"
How BMI classifies weights at this height. BMI is a screening tool — muscular builds can read "overweight" while metabolically healthy:
| Weight at 5'1" | BMI category |
|---|---|
| Under 98 lbs | Underweight (BMI below 18.5) |
| 98 – 132 lbs | Healthy weight (BMI 18.5–24.9) |
| 132 – 158 lbs | Overweight (BMI 25–29.9) |
| 159 lbs and above | Obese (BMI 30+) |
How 5'1" compares to nearby heights
Each inch of height shifts the healthy range by roughly 3–4 lbs:
| Height | Healthy range (female) | Formula average |
|---|---|---|
| 4'11" | 92 – 123 lbs | 102 lbs (46 kg) |
| 5'0" | 95 – 128 lbs | 106 lbs (48 kg) |
| 5'2" | 101 – 136 lbs | 115 lbs (52 kg) |
| 5'3" | 104 – 141 lbs | 119 lbs (54 kg) |
Related calculators
Ideal weight for nearby heights
Each page shows the healthy range and all four formulas for that height.