What is the legal drink drive limit in the UK?

The legal limit in England and Wales is:

  • 35 micrograms of alcohol in 100 millilitres of breath; or
  • 80 milligrams of alcohol per 100 millilitres of blood; or
  • 107 milligrams of alcohol per 100 millilitres of urine

The legal limit in Scotland is:

  • 22 micrograms of alcohol in 100 millilitres of breath; or
  • 50 milligrams of alcohol per 100 millilitres of blood; or
  • 67 milligrams of alcohol per 100 millilitres of urine

The Scottish drink drive limit was lowered on 5th December 2014.

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