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How to convert money 
Withdraw cash with a debit card at an automatic teller machine (atm). 
You can use your debit card at a foreign atm just as you do at home. Your bank will charge a currency fee that is lower than with most other options for converting money.
This is one of the least expensive options for currency exchange. If your bank isn't part of the network that includes the foreign bank you're using, the fees for using the atm can make this a less desirable option for exchanging currency.