DUI & blood alcohol levels – Orange County DUI defense lawyer

Intoximeter, the company that manufactures the blood alcohol meters used by many law enforcement departments, has an on-line blood alcohol measurement program, the “Drink Wheel” (it got its name from the cardboard novelty models with a rotating wheel in the center that you used to line up the number of drinks to determine your blood alcohol level).

I hope it provides some information about how much one drink would impact your blood alcohol level.  Obviously, the best advice is to not drink and drive.  If you are arrested for a DUI and the results come back at or above the “legal limit” of 0.08%, there are still issues to look into with your attorney.  Sometimes, the blood alcohol result, even if accurate, doesn’t truly measure your blood alcohol at the time of driving.   There can be other flaws in the police investigation as well, from the legality of the initial traffic stop to the arrest and procedure afterward.  Keep your rights in mind at all times.  For information about why the field sobriety tests are not mandatory, nor are answering questions, see this post.

With that in mind, here’s the “Drink Wheel”:

The Drink Wheel


I have had

over a period of


I am


(Explanation of gender differences in Blood
Alcohol Concentration)

and I weigh



and I live in

(so that the result is displayed in the appropriate units).

About the Drink Wheel

The Intoximeters Inc. “Drink Wheel”1 is a form that you can fill out. Upon completion we will instantly compute your estimated blood/breath alcohol concentration (“BAC”) based on the information that you have provided and return that estimate to you. It is presented as a public service to Intoximeters web site visitors. Its primary purpose is to provide useful information about the responsible use of alcohol.


It would be extremely foolish for you to pretend that the “Drink Wheel” can tell you what your BAC actually is, first because it would open us up to an incredible amount of potential liability and second if it really did work accurately there would be no need for anyone to buy the instruments the company makes and sells.

A person’s actual BAC is dependent on many complex factors, including their physical condition (body composition, health etc…) and what they have recently ingested (including food, water, medications and other drugs). This site includes a more detailed discussion of the Pharmacology and Disposition of alcohol in humans.

The results that are generated are rough estimates of an average healthy person’s BAC assuming typical beverage sizes, recipes and alcohol content. The BAC estimates generated by the Drink Wheel should not be used to infer anyone’s fitness to work, drive or perform any other task or duty.

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