Answer all the questions to find out how tall you will be as an adult. I tried to make it as accurate as possible but there is a chance it could be slightly off. Enjoy! Keep in mind: 1. The heights should be in decimal form (ex. If you are "5 4" enter 5.4) 2. If you or your parent is "5 10" you will need to enter 6 (For 5 11" enter 6.1 and so on) 3. If you enter the wrong info it will say: "Not enough Info" 4. Your answer will be in decimal form so the first # is ft. and the second is in. I think thats it.