• It would take approx 1.33 hours for .02 BAC of alcohol to leave your body. • It would take approx 3.33 hours for .05 BAC of alcohol to leave your body. • For .08 BAC of alcohol, which is the legal limit set in United States, it would take approx 5.33 hours for you body to be alcohol free. • It would take approx 6.66 hours for .15 BAC of alcohol to leave your body.