Ideal Weight for a 5'9 Stature

There is no one ideal weight for your height — so work with your doctor to determine a healthy weight for you.
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The number of people with overweight or obesity in the United States increased from 45.8 percent to 73.9 percent between 1960 and 2007, according to the Centers for Disease Control and Prevention. Between those times, the National Health and Nutrition Examination Survey weighed and measured a large sample of the U.S. population.

The CDC uses this data to estimate the prevalence of overweight and obesity. To figure out what you should weigh if you're 5'9" tall, you need to check body-mass index charts, the standard measurement for overweight and obesity in 2013.

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BMI

The CDC and other agencies currently use body mass index (BMI) to determine whether or not a person has overweight or obesity at a certain height. The BMI doesn't take into account age or sex.

You can calculate your BMI with this formula: Divide weight in pounds by height in inches squared and multiplying by 703. The easiest way to figure your BMI is to look on a BMI chart. Individuals with a BMI less than 18.5 have underweight. A BMI greater than 25 is considered overweight. Having a BMI of more than 30 is considered obesity. For a 5 foot 9 inch individual, a normal BMI between 18 and 24.9 means you weigh 125 to 168 lbs.

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Frame Type

Metropolitan Life Insurance developed the first height and weight tables after reviewing data on height, weight and mortality. The tables listed weigh not only by gender but also by small, medium and large frame size, which was based on elbow breadth. Different weight ranges were listed by gender. In the 1959 tables, a small-framed 5 foot 9 inch woman should weigh between 130 to 140 lbs. and a large-framed woman should weigh 145 to 164 lbs. The ideal weight for a large-framed 5 foot 9 inch male wass 3 lbs. heavier -- 148 to 167 lbs.

Age

In addition to height, weight and sex, the U.S. Army and some other organizations allow older individuals to weigh more. The minimum weight for a 5 foot 9 inch female in the military is 128 lbs. The maximum weight increases from 169 lbs. for a 20-year-old and 176 lbs. for a 40-year-old 5 foot 9 inch female. Males must meet the same 128 lb. minimum standard but can weigh a maximum of 186 lbs. at age 40.

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Other Measures

Epidemiological studies include abdominal fat as a risk factor for heart disease. Females with a waist circumference greater than 35 inches and males with greater than 40-inch waist circumference have an increased incidence of diabetes, heart disease and some cancers. Measures such as BMI can falsely indicate that a muscular individual has overweight. Body fat can be a more accurate measurement. The Army encourages women to maintain body fat under 26 percent and males under 18 percent. The maximum body fat allowed under Army fitness standards is age adjusted from 30 percent for a 20-year-old female to 36 percent for a 40-year-old female. The comparable standards for males are 20 to 26 percent maximum body fat.

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Cause for Concern

Maintaining a healthy weight is important since excess body weight has been linked to early death and several medical problems that lower your quality of life. Having overweight or obesity is linked with increased risk of heart attacks, stroke, diabetes and some cancers, according to Harvard School of Public Health, as are arthritis, sleep apnea and gallstones.

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