Using ATM and credit cards is for many travelers, including this one, the preferred way to get cash and pay for some things overseas. However, you have to be aware of 1-3% “conversion charges” on these transactions. For credit card purchases, these won’t be listed separately; they’re just figured into the total cost of something. Get the skinny:
The article also lists banks that do and do not charge conversion fees. If you do a fair bit of overseas traveling, or are planning an extended trip, it could save you quite a bit of cash to shop around for a different bank and credit card.