You forgot to write your age and sex in the question. If you are over 18 and male with a height of five feet and six inches then your weight should be 62.14-66.68 Kg or 137-147 pounds. If you are female with a height of five feet and six inches then your ideal weight should be 58.97-63.50 Kg or 130-140 pounds. If you are below 18 then your age is needed calculate your growth.