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When a person consumes an alcoholic beverage the person's body will take some time to absorb the alcohol. The science behind absorption consists of various studies and the scientific community has generally accepted the fact that after consumption the body will fully absorb the beverage within 15 minutes to 2 hours. The chart below utilizes averages. What you should understand is that not everyone is "average", therefore if you have been arrested for a DUI or drunk driving you should consult a lawyer experienced in the defense of these cases.
It is important to understand that numerous factors affect any calculation of a person's blood alcohol level. Scientific studies have concluded that the following variables are useful in making any BAC calculation:
- Height, weight, age and sex of the defendant
- Food ingested and time of ingestation
- Alcoholic beverages consumed (including volume, alcohol content of each beverage and time of ingestion)
- State of the defendant's health (as it affects stomach emptying and normal functioniong of the liver, the possibility of contamination from stomach disorders, etc.)
- Injury, if any, sustained in any accident related to the arrest
- Time of the arrest
- Any tests for blood alcohol, including time of the test
- Complete protocol (analytical procedures) for the tests
BLOOD ALCOHOL CONCENTRATION CHART
How To Calculate Your Blood Alcohol Concentration (BAC) For One Hour Of Drinking:
. Locate the line that corresponds to your body weight.
. From left to right, each square represents one drink.
. The first dark line to the right indicates a BAC of .04, which indicates impairment.
. The second dark line to the right indicates a BAC of .08, which is considered legal intoxication or "drunk" in most states.
To Calculate Your BAC Over A Longer Period Of Time:
. Add the total amount of drinks consumed.
. From that total, subtract 1 drink for each hour of drinking. In other words, your body will burn off 1 drink per hour.
Drinking Guidelines:
When drinking, consider that each of the following drinks contain the same amount of alcohol.

Alcohol Facts for men and Women
Our bodies eliminate alcohol at an average rate of .015% per hour. A person who drinks slowly-about one drink
an hour- will not become significantly intoxicated. Generally, if a woman drinks the same amount of alcohol as
does a man of the same weight, a woman will have a higher BAC than the man. Because men tend to have more
muscle tissue than women, a dose of alcohol is more diluted in a man, and more concentrated in a women.
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Disclaimer: You should be aware that the information and content is general in nature and not designed for specific cases of DUI, DWI, drunk driving, driving while intoxicated, driving under the influence of alcohol, driving under the influence of drugs, felony DUI, felony drunk driving, manslaughter, vehicular manslaughter, or other related criminal or civil matter. Each case will involve very different facts, laws, procedures and penalties. It is important in every case that obtain legal advice and representation from a competent criminal defense lawyer who is experienced in drunk driving defense — that is, who is familiar with the laws and the facts(symptoms of intoxication, field sobriety tests, blood alcohol tests, possible penalties, possible defenses, prior convictions, driver's license suspension ramifications, etc.) unique to your DUI case.