Cost of living in Montclair, New Jersey (United States) is 83% more expensive than in Amman (Jordan)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 1,245 prices entered by 132 different people.
For example, you would need at least Dinar 3,290 ($4,637) in Montclair, New Jersey to maintain the same standard of living that you can have with Dinar 1,800 in Amman.