This alcohol calculator calculates the blood alcohol content (BAC).After entering the personal characteristics and the amount of alcohol consumed, it calculates the current, maximum blood alcohol level and the time of sobering up. Consumption is entered for a specific time, which can be changed. You can enter previously consumed drinks but also test future consumption. The calculator recognizes the drinking cycles and marks in green the drinks consumed earlier, which were already absorbed, and does not take them into account.Personal characteristics, for more accurate calculations, include weight and height of the person. The amount of fat in the body is calculated and the Forrester correction of the Widmark formula is used.To set the rate of alcohol elimination, which is very individual and greatly affects the results, it is possible to enter personal settings and thus personalize the calculator.The calculator can be used for up to 4 persons at the same time, including their personalizations.The calculator allows you to create a check or bill if you enter prices of drinks.