Does alcohol make one put on weight?

Alcohol provides 29 kJ (7 kcal) per gramme, representing a sizeable energy intake for regular drinkers. In addition, some drinks contain sugars: natural sweet wines, aperitifs, beers, etc., that contribute 17 kJ (4 kcal) per gramme of sugar to the energy intake.

2 glasses of dry wine provide 565 kJ (135 kcal), a 25cl “demi” (short half-pint) of beer, 525 kJ (125 kcal) and a (5 cl) glass of aperitif such as port, Muscat or Vermouth provides an average of 315 kJ (75 kcal).

Source: IFN