 7. Alcohol consumption 40 g alcoholday 1 glass 25 cl of beer with 3 of alcohol 7.5 g, or 1 glass 25 cl of beer with 6 of alcohol 15 g, or 1 glass 12.5 cl of wine with 10 of alcohol 12 g, or 1 glass 4cl of aperitif with 42 of alcohol 17 g. 