To calculate your ideal body weight there is a formula used by medical professionals for medication dosage,which can give you an approximate idea of how much you should weigh for your height.
Males: IBW = 50 kg + 2.3 kg for each inch over 5 feet. (+/- 10%)
Females: IBW = 45.5 kg + 2.3 kg for each inch over 5 feet. (+/- 10%)
Keep in mind though that if you engage in weight bearing activities and increase in muscle mass, the scale will increase. Muscle weighs more than fat but takes up less space. So, try not to get too caught up in the "ideal" weight but focus on staying healthy by consuming a diet of whole foods, being active, and managing stress.