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Blood Alcohol Calculator (BAC)

Estimate your blood alcohol concentration using the Widmark formula.

Gender

Weight (lbs)

Number of Drinks

Drink Type

Time Period (hours)

Estimated BAC0.0456%

StatusSome impairment - Under legal limit

Time Until Sober~3.0 hours

This is an estimate only. Actual BAC varies based on food intake, metabolism, and other factors. Never drink and drive.