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BC’s Responsible Beverage Service Program

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Alcohol Effects


How to calculate Blood Alcohol Concentration

The following table outlines the typical blood alcohol concentration of people of varying weight, based on the number of standard drinks he or she has consumed.

This chart is provided for information only, as a means to estimate blood alcohol concentration (BAC). Many factors can affect a person's BAC, including amount of alcohol consumed, rate of consumption, food consumption, and factors specific to each person such as gender, age, weight, height and metabolism.

Please note the following: