Blood Alcohol Concentration (BAC) Calculator
How much is too much to drink? A person's BAC level is the result of a complex interaction of weight, gender, alcohol consumed and time. Use the Blood Alcohol Concentration (BAC) calculator to see just how little alcohol it takes to put a person over the legal limit.
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| Alabama |
0.08 |
| Alaska |
0.08 |
| Arizona |
0.08 |
| Arkansas |
0.08 |
| California |
0.08 |
| Colorado |
0.08 |
| Connecticut |
0.08 |
| Delaware |
0.08 |
| District of Columbia |
0.08 |
| Florida |
0.08 |
| Georgia |
0.08 |
| Hawaii |
0.08 |
| Idaho |
0.08 |
| Illinois |
0.08 |
| Indiana |
0.08 |
| Iowa |
0.08 |
| Kansas |
0.08 |
| Kentucky |
0.08 |
| Louisiana |
0.08 |
| Maine |
0.08 |
| Maryland |
0.08 |
| Massachusetts |
0.08 |
| Michigan |
0.081 |
| Minnesota |
0.08 |
| Mississippi |
0.08 |
| Missouri |
0.08 |
| Montana |
0.08 |
| Nebraska |
0.08 |
| Nevada |
0.08 |
| New Hampshire |
0.08 |
| New Jersey |
0.08 |
| New Mexico |
0.08 |
| New York |
0.08 |
| North Carolina |
0.08 |
| North Dakota |
0.08 |
| Ohio |
0.08 |
| Oklahoma |
0.08 |
| Oregon |
0.08 |
| Pennsylvania |
0.08 |
| Rhode Island |
0.08 |
| South Carolina |
0.08 |
| South Dakota |
0.08 |
| Tennessee |
0.08 |
| Texas |
0.08 |
| Utah |
0.08 |
| Vermont |
0.08 |
| Virginia |
0.08 |
| Washington |
0.08 |
| West Virginia |
0.08 |
| Wisconsin |
0.08 |
| Wyoming |
0.08 |
| 1 The 0.08 per se BAC law in Michigan contains a sunset clause which states that the legal BAC will revert to 0.10 on October 1, 2013. |
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BAC limits provided by the Insurance Institute for Highway Safety, Highway Loss Data Institute, www.highwaysafety.org  , July 2004. |
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Note: The basic formula for estimating a person's blood-alcohol concentration comes from The National Highway Traffic Safety Administration. Each drink in this calculation assumes a volume of .54 ounces of alcohol (one shot of distilled spirits, a glass of wine, or 12 ounces of beer).
*Due to the number of factors involved, no BAC can be completely accurate. The results shown here should be considered only a rough estimate of one's blood alcohol content based on known inputs.
You should not consider this to be a guideline for how much you can drink and still drive responsibly or avoid being arrested. We will not be responsible for actions taken or damages resulting from reliance on this information.
