How many extra calories would you have to eat to put on weight?

Question

i was just wondering how many extra cals you had to consume in one day to put on any weight?

Answer 1

300-500 to gain a couple pounds a week... make sure it's healthy stuff though...

Answer 2

I think 500 calories.  

Answer 3

3500 calories equals 1 pound.  But keep in mind that people metabolize food differently depending upon how much muscle they have and how active their lifestyle is.