Blood Alcohol Content (BAC) is a measure of alcohol within the blood as a proportion. It's calculated in grams per 100 mL of blood, BloodVitals SPO2 so a BAC of 0.08 means your blood is 0.08% alcohol by volume. The next are predictable results we’d anticipate to see at totally different BAC levels for a drinker who has not developed tolerance. A few of these change with tolerance