Blood-alcohol levels are typically measured as permilles in some countries, like Sweden. 0.2 ‰ is the legal limit there. Also used in some countries in Europe t

Blood-alcohol levels are typically measured as permilles in some countries, like Sweden. 0.2 ‰ is the legal limit there. Also used in some countries in Europe to denote the grade of slopes (as in warning for steep hills). Never seen permyriads, though.