The most common way to determine 5’ 9″ ideal weight is to look it up on a BMI chart, but some tables do not include 5 foot 9 inchs.
A healthy BMI for someone 5′ 9” is between 125 pounds and 169 pounds. The BMI does not give different ideal weights for men and women.
BMI is currently what is used by the cdc and other health related agencies
Other formulas for choosing ideal weight are:
Ideal Weight for Women 5’ 9″
Metropolitan Insurance – (small frame 129 – 142 pounds) (medium frame 139 – 153) (large frame 149 – 170)*
Robinson Formula - 141 pounds is ideal weight for a woman
Devine Formula - 146 pounds is ideal weight for a woman
Miller Formula – 144 pounds is the ideal weight .
Ideal Weight for Men 5’ 9″
Metropolitan Insurance – (small frame 142 – 151 pounds) (medium frame 151– 163) (large frame 155 – 176)*
Robinson Formula – 152 pouns is the ideal weight for men
Devine Formual – 156 pounds is the ideal weight for men
Miller Formula – 152 pounds is the ideal weight for men
* Weight in pounds, based on ages 25-59 with the lowest mortality rate
(indoor clothing weighing 3 pounds and shoes with 1″ heels) Metropolitan Insurance 1943