International Blood and Breath Alcohol Conversions
  
Select Country and Specimen then enter reported concentration below:

Country Specimen Concentration Units Legal Limit  
     
  - Information:
  • There is no safe limit when it comes to driving after drinking alcohol. Alcohol impairment begins at concentrations far below the legal limits of most countries.
  • The legal limits are for adult drivers and may not reflect the law at every location. Commercial operators must use the legal limits for their country and mode of transportation.
  • Changes or additions to countries must be sent to dennis.canfield@faa.gov National Safety Council (NSC) Committee on Alcohol and Other Drugs (CAOD) Chair. The country's name, legal limit in that country‚Äôs reporting units for BAC, BrAC, and BAC/BrAC ratio are required.

- Acknowledgments:
  • This information is distributed under the sponsorship of the NSC and the CAOD in the interest of information exchange.
  • The equations and software used in this web page were provided by the Federal Aviation Administration's Civil Aerospace Medical Institute, Aerospace Medical Research Division.

- Disclaimer:
  • The NSC, CAOD, and FAA assume no liability for the contents or use thereof.

 
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