BAC Calculator
Estimate Your Blood Alcohol Concentration


By using our BAC calculator, you can estimate a person’s bodily alcohol concentration based on gender, weight and number of alcoholic beverages consumed within a specific time frame.

However, it is important to note that what the BAC calculator computes is merely an estimate and should not be relied upon to determine whether it is safe or legal for a person to operate a motor vehicle after consuming alcohol.


The effects of alcohol intoxication are greatly influenced by individual variations among users.  This should be considered when using this BAC calculator. B.R.A.D. provides the following table of the effects of different BAC levels.  Some users may become intoxicated at a much lower Blood Alcohol Concentration (BAC) level than is shown on the BAC Calculator.

0.02-0.03 BAC: No loss of coordination, slight euphoria and loss of shyness. Depressant effects are not apparent. Mildly relaxed and maybe a little lightheaded.

0.04-0.06 BAC: Feeling of well-being, relaxation, lower inhibitions, sensation of warmth. Euphoria. Some minor impairment of reasoning and memory, lowering of caution. Your behavior may become exaggerated and emotions intensified (Good emotions are better, bad emotions are worse)

0.07-0.09 BAC: Slight impairment of balance, speech, vision, reaction time, and hearing. You may experience Euphoria in addition. Judgment and self-control are reduced, and caution, reason and memory are impaired, .08 is legally impaired and it is illegal to drive at this level. You may also believe that you are functioning better than you really are.

0.10-0.125 BAC: Significant impairment of motor coordination and loss of good judgment. Speech may be slurred; balance, vision, reaction time and hearing will be impaired. You may experience Euphoria in addition.

0.13-0.15 BAC: Gross motor impairment and lack of physical control. Blurred vision and major loss of balance. Euphoria is reduced and dysphoria (anxiety, restlessness) is beginning to appear. Furthermore, judgment and perception are severely impaired.

0.16-0.19 BAC: In addition to the above signs, dysphoria predominates, nausea may appear. The drinker has the appearance of a “sloppy drunk.”

0.20 BAC: Felling dazed, confused or otherwise disoriented. May need help to stand or walk. If you injure yourself you may not feel the pain. Some people experience nausea and vomiting at this level. The gag reflex is impaired and you can choke if you do vomit. Blackouts are likely at this level so you may not remember what has happened.

0.25 BAC: All mental, physical and sensory functions are severely impaired. Increased risk of asphyxiation from choking on vomit and of seriously injuring yourself by falls or other accidents.

0.30 BAC: STUPOR. You have little comprehension of where you are. You may pass out suddenly and be difficult to awaken.

0.35 BAC: Coma is possible. This is the level of surgical anesthesia. 

0.40 BAC and up: Onset of coma, and possible death due to
respiratory arrest.

Do not rely on the results of the BAC Calculator to determine if you are safe to drive. If you need a ride home, visit our Designated Drivers page for a list of local resources.

“When it comes to drunk driving defense, experience is what matters most. So if you want to maximize your chances of getting the best possible result in your case, please enter your information online now for a no-cost, no-obligation consultation or feel free to simply call my office and ask to speak to me.”

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Bloomfield Hills, MI 48304

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BAC Calculator - Estimate Your Blood Alcohol Level
Article Name
BAC Calculator - Estimate Your Blood Alcohol Level
A BAC Calculator is one of the best tools used in the prevention of drunk driving. A BAC Calculator allows you to measure your blood alcohol concentration by adding just a few short details.
Duke Law Group