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BAC (Blood Alcohol Concentration) Estimator | Online Breathalyzer Test

This BAC estimator, also called an online breathalyzer test, will give you a good estimate of how much alcohol it takes for a person to reach the legal blood alcohol limit in your area.  While playing with the results some check out the different effects alcohol can have on your body by looking at the table below the application.

BAC Blood Alcohol Concentration Estimator

Sex:

Male
Female

Weight:

lbs

Alcohol Consumed:

12oz beer(s)
5oz glass(es) of wine
1.5oz measure(s) or spirits
 
Consumed over a period of hours.
 
  
Estimated BAC: 0.000%
 

DISCLAIMER: This program does not display your actual BAC, the results generated are only estimates.

Effects of Alcohol

BAC  Dose-Specific Effects 1
0.020-0.039% 2 Generally no loss of coordination. Slight joy or loss of shyness. Depressant effects are not clear.
0.040-0.069% General feelings of well-being, relaxation, shyness is reduced and sensation of warmth. Joy. Some minor impairment of reasoning and memory. Lowering of caution. Driving skills may be impaired.
0.070-0.099% Slight impairment of balance, speech, vision, reaction time, and hearing. Joy. Judgment and self-control are reduced. Caution, reason and memory are impaired. Driving skills are always impaired.
0.100-0.129% Major impairment of motor coordination and loss of good judgment. Speech may be slurred. Balance, vision, reaction time and hearing will be impaired. Joy.
0.130-0.159%  Gross motor impairment and lack of physical control. Blurred vision and major loss of balance. Joy reduced and state of feeling unwell begins to appear.
0.160-0.249% Anxiety, restlessness predominates. Nausea may appear. Appearance of a “sloppy drunk.”
0.250%-0.299% Needs assistance in walking. Total mental confusion. State of feeling unwell with nausea and some vomiting.
0.300%-0.399% Loss of consciousness.
0.400% + Onset of coma. Possible death due to respiratory arrest. 3

1 Bailey, William J., Drug Use in American Society, 3rd ed., Minneapolis: Burgess, 1993.
2 Some individual’s may experience impairment at BAC levels at .03% or even lower.
3 Death can occur at a lower BAC level in some individuals.