The Blood Alcohol Calculator (BAC)

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The Blood Alcohol Calculator (BAC)

Blood or Breath Alcohol Content (BAC) is a critical inquiry in nearly every drinking and driving arrest, whether DUI / DWI, driving under the influence of drugs (DUID), drunk driving, or any type of impaired driving case.

The BAC calculator below will allow you to predict your BAC at a given point in time based upon the number of drinks consumed over a period of time. Fill in the information required below for an estimate of blood or breath alcohol level.

Disclaimer: The Blood Alcohol Calculator is for information only. This conversion is not completely accurate and should not be used to determine if you are capable of driving. Your actual Blood Alcohol Level may vary, depending upon many factors, including body type, sex, health status, and many others. Every effort is made to ensure that the results yielded by the Blood Alcohol Calculator are correct; however, do not rely upon this information to decide whether or not it is safe or lawful to drive. Because impairment may occur at any Blood Alcohol Level, we can only recommend that you not drive with any measurable amount of alcohol in your system.

Online Blood-Alcohol Content Calculator (BAC) Beer Wine Shot Fluid Ounces 12 4 1.5 Alcohol Content 4% – 4.5% 15% – 20% 30% – 50% Fluid Ounces Consumed Percent Alcohol Your Weight (Lbs) Hours Consuming Drink BAC Percentage BAC Analysis