When to Use a Blood Alcohol Content (BAC) Calculator

Posted By The Evans Firm || 10-Sep-2016

Living in Colorado is a great privilege and comes with an endless supply of things to do outdoors, four beautiful seasons and adventures for everyone. However, along with the altitude comes the risk for dehydration and faster intoxication. For locals as well as newcomers, keeping in mind your personal consumption limit and situation is important to avoiding health issues and legal trouble. Understanding state driving laws and how to assess your level of intoxication is worthwhile to stay safe. To this end, a BAC calculator can come in handy.

Keep in mind, a BAC calculator is simply a point of reference to give you a general idea of your blood alcohol content level. It is not a replacement for a breathalyzer or blood test, and we recommend not drinking and driving at all.

Many individual factors also play into your BAC level, so there is no one-size-fits-all standard for determining how many drinks will bring a person past their limit. Such factors include:

  • Age
  • Weight
  • Gender
  • How much you’ve eaten recently
  • How hydrated you are/recent fluid intake
  • Kidney function
  • Drinking habits/tolerance level
  • Amount of time between drinks

That said, a BAC calculator can be beneficial for your personal reference and use.

How BAC Calculators Work

To determine your overall tolerance level and total consumed alcohol, most online BAC calculators will ask you to input your gender, the number of drinks you’ve consumed (usually broken down by fluid oz. of beer, wine and shots of hard liquor), the number of hours over which you consumed them, your weight, the percent alcohol in the drinks, and perhaps your metabolic rate.

The calculator will then apply a formula to determine your BAC level measured by a percentage in deciliters of blood. Results will show your estimated BAC percentage and sometimes even the amount of time in which you will be back to sober and can legally drive (if past the legal limit).

To learn more about computing BAC estimates, take a look at the U.S. Department of Transportation.

Colorado DUI and DWAI BAC Limits

Remember, everyone’s drinking limit is different and so are the individual state laws for BAC driving limits. In Colorado, state intoxication limits for driving are:

DWAI (Driving While Ability Impaired): 0.5% - 0.8%

DUI (Driving Under the Influence): 0.8% +

Award-Winning, Professional Colorado DUI/DWAI Attorney

The Evans Firm specializes in DUI and criminal defense law cases in Centennial and Arapahoe County areas, including Aurora, Greenwood Village, Highlands Ranch, Parker, Englewood, Littleton, Douglas County and Lone Tree. With an A+ BBB rating and numerous Client Choice and Satisfaction Awards, we have been the best in the business for over 9 years.

Through a trial-centered approach, we fight for you fearlessly and compassionately to get the job done. If you find yourself facing a DUI or DWAI in Colorado, call us immediately to set up an appointment for a free case evaluation at 303-663-3905.

Categories: Criminal Defense, DUI, DWAI

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