This calculator gives adults a reference weight based on height and body frame, useful for setting a broad target rather than declaring one correct number.
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Enter height, sex, and frame size. Use the result as a comparison point alongside health history, body composition, and advice from a clinician, since a formula cannot tell muscle from anything else.
Using the Hamwi method, male reference weight = 106 lb + 6 lb for each inch over 5 feet, and female reference weight = 100 lb + 5 lb for each inch over 5 feet. A common frame adjustment subtracts 10 percent for a small frame or adds 10 percent for a large frame.
For a 5-foot-8-inch woman, the medium-frame estimate is 100 + 5 x 8 = 140 lb. The adjusted estimates are about 126 lb for a small frame and 154 lb for a large frame.
No. It is a formula-based reference, while a healthy weight depends on body composition, medical history, age, and other factors.
The formula was designed as a rough adult reference and may be misleading for highly muscular people. Children and teenagers need age-specific growth charts and professional guidance.
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