How do ideal body weight formulas calculate weight for women by height?
For women at 5 ft: Devine and Hamwi start at 45.5 kg, Robinson at 49 kg, and Miller at 53.1 kg. Each formula adds a different amount per inch over 5 ft.
Health & fitness
Ideal weight calculator for women
Compare four common height-based ideal-weight estimates for women and see their average.
- Metric and imperial units
- Instant updates as inputs change
- Data is calculated in this browser only
Results update as you type
Average of four formulas135.6 lb
- Devine formula
- 135.8 lb
- Robinson formula
- 134.3 lb
- Miller formula
- 138.1 lb
- Hamwi formula
- 134.3 lb
Ideal-weight formulas use only height and a sex term; they do not account for frame, muscle mass, or health history.
Calculation notes
Understand the Ideal weight calculator for women
Shows the Devine, Robinson, Miller, and Hamwi height-based estimates plus their average. These are rough references, not a personal optimum.
What is the ideal weight estimate for a 5 ft 5 in woman?
At 5 ft 5 in, the four estimates are about 57.0, 57.5, 59.9, and 56.5 kg; their average is about 57.7 kg.
How should I compare the four ideal weight formula results?
- Read the result as a range created by several historical equations.
- A personal goal may sit outside this range and still be appropriate.
Does an ideal weight formula account for age, muscle, or pregnancy?
- Pregnancy, age, muscle mass, frame size, and medical history are not considered.
- The word “ideal” is historical terminology and does not mean medically optimal.
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