A Big Mac meal from McDonald's, which includes a Big Mac burger, medium fries, and a medium soft drink (such as Coca-Cola), contains approximately 1,120 calories

. If you opt for a large Big Mac meal with large fries and a large drink, the calorie count increases to about 1,320 calories

. The Big Mac burger alone has around 540 to 590 calories depending on the source

. Thus, the total calories in a Big Mac meal vary based on portion sizes of fries and drink, but typically range from about 1,100 to 1,320 calories.