The Online Breathalyzer. First, locate your computer…
Enter in a type of drink and the number of those drinks consumed, then press “Add”. If your drink isn’t listed, you can manually enter the alcohol level and size of glass (metric converter) instead of choosing a drink from the list. Continue with each type of drink you consumed throughout the night. If you make a mistake, press “Clear all drinks” and start over.
good site! very enjoyable