Blood alcohol content (BAC) or blood alcohol concentration is the concentration of alcohol in blood. It is usually measured as mass per volume. For example, a BAC of 0.02% means 0.2% (permille) or 0.02 grams of alcohol per 100 grams of individual’s blood, or 0.2 grams of alcohol per 1000 grams of blood. Use the BAC Calculator, (Blood Alcohol Calculator below to calculate your BAC levels.
Disclaimer: This is in no way purported to be a guideline for how much you can drink and still drive or avoid being arrested! The best policy is don’t drink and drive. Period.