This is the easiest and most economical way to pay, the rate being better than if you do the exchange on the spot. Have your passport with you, it is sometimes required.  The most common cards are Mastercard, Visa, and of course American Express, which charge very low commissions.

The secret code is not used in the USA, so you must sign for each transaction. In the USA, a credit card is an essential tool, almost a necessity, Americans pay everything by card, even for 5$!

The unit of currency is the Dollar (US $), the only currency accepted in the United States.

The maximum amount of cash you are allowed to bring with you on a trip to the US is $10,000. It is best to change some money into dollars before your departure, then withdraw cash with a credit card. There are ATMs (automated teller machines) everywhere.

See Currency Converter

Covid 19 vaccine is required for entry into the United States and PCR valid until 48 Hours