Legal BAC Limit to Drive
All 50 states have now set .08% blood alcohol concentration (BAC) as the legal limit for driving under the influence (DUI) or driving while impaired (DWI).
One Drink Equals
- 5 oz. Glass of Wine
- 12 oz. Beer
- 1½ oz. Shot of 80 Proof Liquor
How Many Drinks is .08% BAC
Certain physical characteristics such as weight, gender and body fat percentage can all be factors in the equation. You are more likely to fail a blood alcohol test if you do not eat. If you’re wondering how many drinks you can have before driving, the best answer is ‘None.’
The average American male is 5’8″, 195 lbs. Over a period of 2 hours, it would take the average American male about 5½ drinks to exceed the legal driving limit of .08% BAC.
The average American female is 5’3″, 166 lbs. Over a period of 2 hours, it would take the average American female about 3½ drinks to exceed the legal driving limit of .08% BAC.