Blood Alcohol Content BAC Calculator
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Online Breathalyzer And Blood Alcohol Content BAC Calculator. Had a few drinks? Feeling a bit drunk? Not sure if you should drive and risk a DUI or DWI conviction? Try the R U Pissed online breathalyzer and blood alcohol level calculator.

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Blood Alcohol Content (BAC) Calculator

Online since 1999, RUPissed? is the original online BAC Calculator. Over the past 18 years we have become the most popular online breathalyzer website with over 3,000,000 BAC calculations carried out to date for drinkers world-wide.

        First, tell us a bit about yourself:
Your age:
Your gender:

Your height:  cm (metric converter)
Your weight:  kg (metric converter)

        How long have you been drinking for?
Enter the time you started drinking and the current time. You can also enter the total elapsed time in the hours and minutes boxes.
  Hour Minute AM/PM  
I started drinking at:  
The time is now:  
Total time elapsed:  hours   mins  

        What did you drink?
Enter in a type of drink and the number of those drinks consumed, then press "Add". If your drink isn't listed, you can manually enter the alcohol level and size of glass (metric converter) instead of choosing a drink from the list. Continue with each type of drink you consumed during the period.
Drink Type Alcohol Level Drank From Number

... Or enter your own:   %

 List of drinks consumed:    (Clear all drinks)
No drinks added yet.
        The Results
Alcohol Ingested:
Alcohol Remaining:
Blood Alcohol Content:
Time to 0.05%:

BAC varies based on sex, age, body size, body type, and a whole range of other things that make this calculation indicative only and not to be used as evidence in a court of law. If you want to know your BAC accurately, go find a policeman and ask him to breath test you. Click here for the assumptions used in this calculator.

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Metric Conversion

For the benefit of those trying to convert imperial to metric in their head, and the obvious impact that alcohol has on mental arithmetic ability, here's a converter for you.

To:  = 
Convert:   To: =
Convert:   To: =

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BAC Calculator : Effects : The Body : Standard Drinks : Breathalysers : Drink Driving BAC : Hangover Intensity : Hangover Cures : Jokes : Links : Contact

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This web site does not endorse drink driving or the excessive consumption of alcohol. Blood alcohol calculations are to be used as a guide only.