Cost of living in Montclair, New Jersey (United States) is 85% 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 1,437 prices entered by 137 different people.
For example, you would need at least Dinar 3,145 ($4,426) in Montclair, New Jersey to maintain the same standard of living that you can have with Dinar 1,700 in Amman.