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What is a DUI / DWI?
What's the difference between "drunk driving" and a DUI?
What is driving under the influence?
What is a DUI offense?
How drunk do I have to be to be charged and convicted of a DUI?
What are the signs of a drink driver?
How do police officers determine if a driver is under the influence?
What are field sobriety tests?
What are blood alcohol tests?
Is there a national drunk driving standard?
What should I do if I'm stopped by the police?
What do police officers look for during a traffic stop?
Can I refuse to take a blood alcohol test?
Can I choose which chemical test to take?
Do I have the right to talk to an attorney?
Should I admit to drinking?
Does an officer have to read me my rights before asking me any questions?
What is "per se"?
Should I talk to a lawyer?
Successfully defending against a DUI charge?
What are my chances of plea bargaining for a lesser offense?
What are Miranda Rights?
What is implied consent?
Blood Alcohol Content (BAC) Levels
Probable cause
Can I get an independent blood test?
Repeat offenders
How much will it cost to fight a DUI / DWI?
Booked on DUI charges
Entering a Plea
Can I represent myself?
What are the chances of winning in court?
What evidence is typically presented?
What penalties do first time offenders face?
What penalties are handed down for repeat offenders?
Consequences of a DUI / DWI conviction
License Suspensions
DUI Treatment and Evaluation
What is ignition interlock?
Avoiding a DUI / DWI
 
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Blood alcohol content
 levels (BAC)

OptimusLaw DUI / DWI Help Center

Blood alcohol content levels (BAC)

Detecting the volume of alcohol in your body is achieved by determining the your blood alcohol level or BAC. 
It is recorded in milligrams of alcohol per 100 milliliters of blood, or milligrams percent.  For example, a BAC of .10 means that 1/10 of 1 percent (or 1/1000) of your total blood content is alcohol.  When you drink alcohol it goes directly from the stomach into the blood stream.  This is why you typically feel the effects of alcohol  quickly, especially if you haven’t eaten in a while.

BAC depends on your total volume of blood which increases with weight and the amount of alcohol you consume over time.  Your liver can only handle about a drink per hour therefore, the faster you drink, the higher your BAC will be.  Additional drinks cause alcohol to build up in your blood stream.

Blood alcohol content level table (BAC)?

The table below indicates your BAC level for each alcoholic beverage by individual weight.  One drink equals one 12 oz. bottle of beer, one 6 oz. glass of wine or one shot 1¼ oz. of liquor.  BAC levels for men are listed on the left and those for women are listed on the right. 

BAC Levels

NUMBER of DRINKS PER HOURS 100 lbs120 lbs140
 lbs
160 lbs180 lbs200 lbs220 lbs240 lbs
M / FM / FM / FM / FM / FM / FM / FM / F
1 drink in 1 hour.02/.03.02/.02.01/.02.01/.01.00/.01.00/.01.00/.00.00/.00
1 drink in 2 hours.01/.02.00/.01.00/.00.00/.00.00/.00.00/.00.00/.00.00/.00
1 drink in 3 hours.00/.01.00/.00.00/.00.00/.00.00/.00.00/.00.00/.00.00/.00
2 drinks in 2 hours.03/.04.03/.04.02/.03.01/.02.01/.02.00/.01.00/.00.00/.00
2 drinks in 3 hours.02/.03.01/.03.00/.01.00/.01.00/.00.00/.00.00/.00.00/.00
2 drinks in 1 hour.06/.07.05/.06.04/.05.03/.04.03/.03.02/.03.02/.02.02/.02
3 drinks in 3 hours.06/.09.05/.06.03/.05.02/.03.01/.03.01/.02.00/.01.00/.01
3 drinks in 2 hours.08/.10.07/.09.05/.06.04/.05.03/.04.02/.03.02/.03.01/.02
4 drinks in 4 hours.09/.11.06/.08.04/.06.03/.05.02/.03.01/.02.00/.02.00/.01
4 drinks in 3 hours.10/.13.08/.10.06/.08.05/.06.03/.05.03/.04.02/.03.01/.03
5 drinks in 5 hours.11/.14.08/.11.05/.08.04/.06.02/.04.01/.03.00/.02.00/.00
3 drinks in 1 hours.10/.12.08/.10.07/.08.06/.07.05/.06.04/.05.04/.05.03/.04
5 drinks in 4 hours.13/.16.09/.12.09/.10.05/.07.04/.06.03/.05.02/.04.01/.03
4 drinks in 2 hours.12/.15.09/.12.08/.10.06/.08.05/.07.04/.06.04/.05.03/.04
5 drinks in 3 hours.14/.18.11/.14.09/.11.07/.09.06/.08.05/.06.04/.05.03/.04
5 drink in 2 hours.16/.19.13/.16.10/.13.09/.11.07/.09.06/.08.05/.07.05/.06

Important Notice

This information is generic and may or may not apply to your particular city, county, state or your individual circumstances. State laws vary and are continuously changing. This information does not necessarily reflect the laws in your state.  It is not intended to be a source of legal advice or a substitute for qualified legal counsel.  Your access to and use of this web site is subject to additional terms and conditions found in our Terms of Use.  Please read it now.

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If you have been charged with a DUI / DWI,
you should discuss your case with a licensed attorney.  Visit OptimusLaw.com to find a lawyer to assist you with your specific DUI / DWI matter.

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The OptimusLaw DUI / DWI Help Center is provided for your general information only.Important Notice - The OptimusLaw DUI / DWI Help Center is provided for your general information only.  This information is generic.  It is compiled from the laws of several states and may or may not apply to your particular city, county, state or individual circumstances. State laws vary and are continuously changing. This information does not necessarily reflect the laws in Pennsylvania.  It is not intended to be a source of legal advice or a substitute for qualified legal counsel.  Your access to and use of this web site is subject to additional terms and conditions found in our Terms of Use.  Please read it now.

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