On demand small instance will cost you approx $83 per month on 100% usage. A micro instance is free for new users. You can calculate most of the costs using the

On demand small instance will cost you approx $83 per month on 100% usage. A micro instance is free for new users. You can calculate most of the costs using their calculator: http://calculator.s3.amazonaws.com/calc5.html http://calculator.s3.amazonaws.com/calc5.html