Four bottles. In terms of alcohol content, one bottle of sake is equivalent to four bottles of beer. A bottle of 500mL 13 degree shochu is equal to four bottles of 500ml beer with 3.2 degree or above. Soju refers to all kinds of transparent and colorless distilled liquor, commonly known as white wine, and there are other nicknames in various places, such as white dry, old white dry, knife-burning wine, pot wine, steamed wine, dew wine, dew wine and so on.