Question: how many calories in a whopper jr and fries?
Answer: When you're choosing a side, stick with a simple salad instead of fries or mozzarella sticks. Depending on how many patties you get, Burger King's Whoppers can be anywhere from 600 to more than 1200 calories. If you want to go with the famous burger, choose the Whopper Jr. which has 310 calories and 18 grams of fat.