A McDonald's Big Mac contains approximately between 550 and 580 calories in the United States, with common values reported as 550, 563, or 580 calories depending on the source

. For example:

• McDonald's official site lists it as 580 calories

• CalorieKing reports 550 calories for the Big Mac burger alone

• Noom states 563 calories with detailed nutrition facts

In other countries, calorie counts vary slightly:

• In Australia, a Big Mac has about 564 calories

• In the UK, a Big Mac contains around 493 calories

Note that a Big Mac meal (burger, large fries, and large Coca-Cola) contains about 1320 calories

. Thus, the standalone Big Mac burger typically ranges from about 550 to 580 calories in the US, with some regional variation internationally.