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BAC Calculator

Beer 12oz
Wine 5oz
Wine 5oz


BAC stands for Blood Alcohol Content that refers to the proportion of alcohol in an individual’s blood stream. After having a drink, it can be estimated within half to one hour time frame. The time factor is imperative in calculating this value, as nothing else can considerably lower the alcohol content. It means that drinking coffee, taking showers, and gulping glasses of water is not going to help you sober up any sooner.

Cautious about the alcohol content in blood? Or concerned that after how long you will be able to drive or work? Not an issue, we can help you out with our specially designed gizmo that gives you an approximate estimation of the alcohol percentage in your blood. If you are a frequent drinker, Our Blood Alcohol Calculator might support you in devising a balanced drinking routine, within recommended safety limits. Provided with the actual time since your last drink, our tool will give you the possible time left to recover.

With this rough estimate of time needed to get back on track, you can schedule your chores i.e. your job, driving etc. However, keep in mind that you just can’t completely rely on this tool or any other such device, because of the individual variation in metabolizing the liquor, age factors, and any underlying medical condition etc.

But what you can do is that you can calculate your resting metabolic rate by using RMR calculator and age calculator to analyze yourself.

But we still advise you to always consult your physician, regarding the health issues and safe limits of alcohol according to your health condition. You can use this BAC calculator as a guide but to know the exact value you must consider the prescribed blood tests. In this article, you will learn more about this value’s estimation, typical beverage volumes, and safety limits.

Alcohol Concentration:

The concentration of alcohol in a drink is specifically defined as the proportion of alcohol by volume (ABV) or as proof.

Some may use it as Alcohol by Weight (ABW).To change it to ABV, we will have to divide the ABW by the specific gravity of alcohol that is 0.787. Thus, a drink having alcohol by weight of 4.5% / 0.787 = 5.71% ABV.

Following are the typical volumes and concentration used in major categories:

Beverage Typical Volume (Oz) Typical Concentration (%)
Wine 5 or 2.5 12
Beer 16 or 12 5
Single Shot 1.25 80 proof = 40

Alcohol Types and Percentage Content:

Ethanol is the type consumed in drinks, it is produced by yeast during the process of fermentation. Drinking is legal in the majority of the states like U.S. for adults above the age of 21 years. Though there are different set of rules regarding liquor consumption in different parts of the World. A certain amount of daily consumption is considered legal, depending on the age, gender and health condition.

There are many categories and subcategories of alcohol. Major types are Beer, Wine and Liquor along with Russian Vodka, and Scottish Whisky and many more subtypes. Information about the specifics of alcohol types enables the drinker to determine the amount consumed in one serving.

Beverage ABV % Serving size
Beers 3.2 - 5 1 can = 355 ml or 12 fl. oz.
Whiskies 40.0 - 75.0 1 shot = 44 ml or 1.5 fl. oz.
Table wines 7.0 - 14.0 1 glass = 148 ml or 5 fl. oz.
Fortified wines 14.0 - 24.0 1 glass = 148 ml or 5 fl. oz.
Aromatized wines 15.5 - 20.0 1 glass = 148 ml 0r 5 fl. oz.
Vodkas 40.0 - 50.0 1 shot = 44 ml or 1.5 fl. oz. (Range: 1.25 to 1.5 fl. oz. or 37 - 44 ml)
Malt Liquor 3.2 - 7.0 1 can/bottle = 355 ml or 12 fl. oz.
Champagne 8.0 - 14.0 1 glass = 148 ml or 5 fl. oz.
Rum 40.0 - 95.0 1 shot = 44 ml or 1.5 fl. oz.
Tequila 45.0 - 50.5 1 shot = 44 ml or 1.5 fl. oz.
Brandies 40.0 - 43.0 1 glass = 148 ml or 5 fl. oz.

But you can improve your blood alcohol health level by using good diet. You can use macro calculator online to know about the nutrients that you should take for yourself for good health by making a chart from it.

Factors affecting the Blood Alcohol Level:

This value varies depending on certain factors; gender, age, weight, metabolic rate, time and the quantity of food in the stomach just prior to drinking. Although this value can be computed but cannot be determined merely by the number of shots. The following chart describes the possible body responses and risks associated with higher percentage:

Blood Alcohol Content Chart Values
0.00 – 0.03% Unaltered behavior
0.03 – 0.06% Mild excitement/euphoria
0.06 – 0.1% Numbness, euphoric, impairment increased
0.1 – 0.2% Drunken, emotional swipes, indistinct speech, nauseous, motor control lost.
0.2 – 0.3% Disordered, nausea, stupor
0.3 – 0.4% Possible unconsciousness, unresponsive, Urinary incontinence, death risk
>0.4% Coma, dyspnea,high risk of death

How Our BAC Calculator Works?

Our user friendly calculator can quickly compute the Blood Alcohol level for you, all you have to do is follow some simple steps of filling the required fields.

Step 1: Choose your gender (Imp because males and females have slightly different consumption capacities).

Step 2: Enter your weight in pounds.

Step 3: Choose among the three main classes; Beer, Wine and Liquor.

Step 4: Enter the quantity (given in ounce).

Step 5: Last but not the least step is to enter the time since last drink (given in hours).

Awesome! You’re done with the calculation, now you have an estimate to help you carry on with your work.

We are confident that this article and our online BAC Calculator will prove beneficial in managing your drinking routine along with your daily tasks. This will benefit you to balance the drinking with in the standard safety limits. While you use our calculator, always remember to consult your health advisor about this habit and follow what’s best for your health.

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