The most common way to determine 6’ 3″ ideal weight is to look it up on a BMI chart, but some tables do not include 6 foot 3 inchs.
A healthy BMI for someone 6′ 3” is between 148 pounds and 200 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 6’ 3″
Robinson Formula - 164 pounds is ideal weight for a woman
Devine Formula - 176 pounds is ideal weight for a woman
Miller Formula – 162 pounds is the ideal weight .
Ideal Weight for Men 6’ 3″
Metropolitan Insurance – (small frame 158 – 172 pounds) (medium frame 167– 182) (large frame 176– 202)*
Robinson Formula – 177 pounds is the ideal weight for men
Devine Formual – 186 pounds is the ideal weight for men
Miller Formula – 170 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