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

Country Specimen Concentration Units Legal Limit  
  - 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 The country's name, legal limit in that country’s reporting units for BAC, BrAC, and BAC/BrAC ratio are required. Last updated 04/21/2020.
- This information is distributed under the sponsorship of the NSC and the ADID in the interest of information exchange.
- Disclaimer:
  • The NSC, ADID, and FAA assume no liability for the contents or use thereof.