Ever wonder just exactly how many calories your taking on every time your order your favorite cocktail? Here are estimated calories for many of today’s most popular and common drinks ordered at the bar and made at home. Amaretto Sour (1.7-oz) === 170 Alexander (2.5 fl oz) ==== 180 B-52 (1-oz)=============== 92 Bahama Mama, (8-oz)=======