Average of 4 formulas
181lb
Healthy BMI range
160–215lb
Lowest formula
171lb
Highest formula
192lb
Show the math
Devine = 45.5 kg + 2.3 × 18 in over 5 ft = 192 lb
Ideal weight formulas
| Formula | Pounds | Kilograms |
|---|---|---|
| Devine (1974) | 192 lb | 86.9 kg |
| Robinson (1983) | 175 lb | 79.6 kg |
| Miller (1983) | 171 lb | 77.6 kg |
| Hamwi (1964) | 188 lb | 85.1 kg |
Use it as a range, not a target
These formulas were built to estimate drug doses, not health goals. A weight you can keep, with good strength, energy and lab numbers, matters more than one number.
How to use it
- Enter your numbers. Switch between US and metric units at any time.
- Results update as you type, and the formula is shown so you can check it.
- Copy the link, save the plan on this device, or print it for your next appointment.
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These are estimates, not a diagnosis. A clinician can account for your health history and medicines.
Other heights
Common questions
What is the ideal weight for a 6 ft 6 in woman?
Four classic formulas average about 181 lb; the healthy BMI range is 160 to 215 lb.