[header] How to maintain ideal body weight [title] Determine your ideal weight. [step] There are many formulas that can be used to calculate your ideal weight. One of the simplest is the hamwi formula, which is used for adults over 5 feet tall. 
For men, the formula is 106 + 6 lbs for every inch over 5 feet. For women, it's 100 + 5 lbs for every inch over 5 feet.