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Trey Porter
In this article:

Legal Alcohol Limit in Texas

Five people are sitting and laughing together around a table in Texas, enjoying several glasses of beer and snacks, all while being mindful of the legal alcohol limit.

WHAT IS THE LEGAL ALCOHOL LIMIT IN TEXAS?

The legal alcohol limit for driving in Texas is 0.08% BAC (Blood Alcohol Content). This means that if a driver is operating a motor vehicle with a BAC of 0.08% or greater, they are considered legally intoxicated and subject to DWI charges in Texas.

DWI is a severe offense subject to devastating penalties in Texas including a driver’s license suspension and permanent criminal record. Calculating intoxication is not always a precise science, however, as a variety of circumstances can come into play.

  • How many beers is 0.08 BAC in Texas? The average American male is at 0.08 BAC after approximately 4 drinks in one hour and the average female will reach this level after approximately 3 drinks.It’s important to note there is no automatic number of drinks that equal a 0.08 BAC as every person processes alcohol differently. Additionally, BAC is dependent on many factors such as food, the frequency of consumption, and the person’s physiology.
  • How many drinks can you have and drive in Texas? This differs for every person, and depends on, for example, their drinking habits, whether they had any food, the strength of the alcohol, and the amount of sleep they’ve had.On average, a man can drink 3 drinks, and a woman can drink 2 drinks in an hour and be okay to drive.

    It is otherwise legal for an adult to have a drink and drive their vehicle if they are not intoxicated!

IS A BAC OF .15 HIGH?

A 0.15 BAC is basically twice the legal limit and will result in an enhanced class A misdemeanor DWI charge in Texas. Penalties include an ignition interlock device, a maximum $6,000 fine, and up to one year in jail.

  • How many beers is 0.15 BAC? On average, an American male will reach a 0.15 BAC after about 7 to 8 drinks in one hour. This equals approximately 6 drinks for the average American female. Again, these numbers will differ across the public.
  • How much alcohol is 3 times the legal limit? Three times the legal limit is equivalent to a 0.24 BAC. This level of intoxication is still a class A misdemeanor subject to enhanced DWI penalties.

WHAT IS THE LEGAL BAC LIMIT FOR TEXAS DRIVERS UNDER THE AGE OF 21?

0.00. This is the only legal BAC for Texas minors – motorists under age 21 cannot drive with any amount of alcohol in their system!

Minors who drive after drinking any alcohol are subject to arrest and criminal DUI under 21 charges (Driving Under the Influence). DUI minor can create lifelong difficulties for college students and Texas youth due to the state’s severe zero tolerance policies against underage drinking.

  • What is the legal limit for DUI in Texas? The legal limit for DUI under 21 in Texas is 0.00 BAC: it is illegal for minors to drive with any detectable alcohol in their system. 

    The legal blood alcohol concentration for DWI in Texas is 0.08 BAC. It is legal for an adult to drink and drive as long as they are below this level.DWI and DUI under 21 are two different crimes in Texas.

  • Is 3 beers enough for a DUI? Three beers is enough for criminal DUI under 21 charges because state law prohibits minors from driving after drinking any alcohol. 

    An adult, however, can drink 3 beers and drive as long as they are not intoxicated.

WHAT IS THE LEGAL LIMIT FOR CDL IN TEXAS?

The legal alcohol limit in Texas for CDL drivers is 0.04 BAC. The Federal Motor Carrier Safety Administration (FMCSA) deems a commercial vehicle operator at this level as under the influence and subject to disqualification sanctions.

Furthermore, CDL operators are subject to lifetime suspension of their commercial driving privileges upon repeat Texas drunk driving offenses.

IS TEXAS A ZERO TOLERANCE STATE?

Texas has strict zero tolerance policies against underage drinking. Minors are subject to numerous different charges for alcohol possession or consumption, all of which can ruin a minor’s permanent record.

Texas is not a zero tolerance state for adults over the legal drinking age. Adults may freely enjoy alcohol in their homes, restaurants, and in many public areas as long as they are not intoxicated or otherwise disturbing the peace.

HOW MANY BEERS EQUAL A SHOT OF ALCOHOL?

One standard 12-ounce beer is equivalent to one standard 1.5-ounce shot of liquor. These are also both equal to a 5-ounce glass of wine in a standard alcohol by volume percentage.

CAN I DRIVE AFTER 2 BEERS?

An adult may drive a vehicle after drinking 2 beers if they are not intoxicated. Everyone has a different threshold for reaching this level.

It is always illegal for a minor to drive after 2 beers.

  • Are you legally drunk after 2 beers? This depends on the individual and certain factors like the amount of any food consumed. For example, a novice drinker may be intoxicated after 2 beers while more experienced drinkers with full stomachs may take longer to reach a 0.08 BAC due to a greater alcohol tolerance.
  • How much does 2 beers raise your BAC? On average, 2 beers will raise your BAC by roughly 0.03 percent if consumed within an hour. These estimates vary significantly and should not be treated as absolute guidelines.
  • Will two beers show up on a breathalyzer? Yes, any recently consumed alcoholic beverage will register on a breathalyzer or blood test in Texas. The State’s Implied Consent Law requires suspected drunk drivers to submit a breath, blood, or urine sample to police or face a driver’s license suspension.

DO HEAVY DRINKERS METABOLIZE ALCOHOL FASTER?

Yes, there is evidence suggesting that heavy drinkers metabolize and eliminate alcohol faster than novice or moderate drinkers.

As always, these factors depend on distinct circumstances and can vary greatly among the public.

BEST TEXAS DUI LAWYERS

Trey Porter Law provides powerful representation for people facing DUI and DWI charges across Texas. Results matter when your life’s on the line. Trey Porter Law has won every type of DWI case, and built a reputation for success in courtrooms across Texas. With 40 years of combined experience, strategic knowledge, and dynamic advocacy, TPL is committed to uncompromising results.

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Trey Porter is one of the highest-rated criminal defense attorneys in Texas. Nationally recognized, Mr. Porter relentlessly fights to protect and assert his clients’ constitutional rights in and out of courtrooms across the state.

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