Calculate your blood alcohol content for a DUI

Jon Bryant Artz DUI and Criminal Attorney, Lecturer and Editorial Consultant

Your blood alcohol content is the concentration of alcohol in your blood expressed by a percentage. An alcohol content of 0.08 percent or higher is legally considered under the influence and illegal if you are operating a vehicle. If caught with a level equal to or greater than 0.08 percent, you will be arrested and charged with a DUI and will probably have your driver's license suspended.

A blood alcohol content is measured as mass per volume, so a level of 0.08 percent is 0.08 grams of alcohol per 100 grams of individual's blood.

How many drinks does it take to be legally too drunk to operate a vehicle? There are a number of factors that affect the answer including gender, alcohol content of the drinks, your weight and whether you are drinking on a full or empty stomach. The most critical factors are the number of drinks, the times of consumption and body weight.

There are several parameters that contribute to calculating your blood alcohol content.

If your chemical blood test or breath test results produce a level of 0.08 percent or greater, do not assume you are automatically guilty of a DUI. There are many legitimate and recognized factors that can cause a measurement of 0.08 percent that your DUI lawyer will consider in preparing your DUI defense.

Photo Credits: Rocket bar wine by Flickr

Jon Bryant ArtzDUI and Criminal Attorney, Lecturer and Editorial Consultant

Mr. Artz has successfully defended in excess of 3000 DUI cases. He has tried to a jury more than 300 trials. He is also an editorial consultant for “California Drunk Driving Law”, a 2 volume treatise on DUI. He received his B.S. degree in ec...

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