BAC Level Alcohol Effects

BAC Level Effects

Blood/Breath Alcohol Concentration (BAC) level is the amount of alcohol in your bloodstream or on your breath. 

BAC is expressed as the weight of ethanol, in grams, in 100 milliliters of blood, or 210 liters of breath. BAC can be measured by breath, blood, or urine tests.

The number of drinks consumed is a very poor measure of intoxication largely because of variation in physiology and individual alcohol tolerance.

Variation exists with respect to:

Body weight


Body fat percentage, even between genders

Neither BAC, nor the number of drinks consumed, are necessarily accurate indicators of the level of impairment. Tolerance to alcohol also varies from one person to another, and can be affected by such factors as genetics, adaptation to chronic alcohol use, and synergistic effects of drugs.

In almost every state of America, you are legally intoxicated at a BAC of .08, no matter your age.

BAC Level Effects on Human Body:

0.020-0.039% - No loss of coordination, slight euphoria, and loss of shyness. Relaxation, but depressant effects are not apparent.

0.040-0.059% - Feeling of well-being, relaxation, lower inhibitions, and sensation of warmth. Euphoria. Some minor impairment of judgment and memory, lowering of caution.

0.06-0.099% - Slight impairment of balance, speech, vision, reaction time, and hearing. Euphoria. Reduced judgment and self-control. Impaired reasoning and memory.

0.100-0.129% - Significant impairment of motor coordination and loss of good judgment. Speech may be slurred; balance, peripheral vision, reaction time, and hearing will be impaired.

0.130-0.159% - Gross motor impairment and lack of physical control. Blurred vision and major loss of balance. Euphoria is reducing and beginning dysphoria (a state of feeling unwell)

0.160-0.199% - Dysphoria predominates, nausea may appear. The drinker has the appearance of a sloppy drunk.

0.200-0.249% - Needs assistance in walking; total mental confusion. Dysphoria with nausea and vomiting; possible blackout.

0.250-0.399% - Alcohol poisoning. Loss of consciousness.

0.40%+ -  Onset of coma, possible death due to respiratory arrest.

Breath Analyzer to Check BAC Level in the Body

Breath Analyzer to Check BAC Level in the Body


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