That's interesting - you count alocohol in units? Over here it's 0,5 ‰ which equals about 1 litre of beer with 5,0% alcohol if you are like me 1,90m and your weight is 90 kilo...
in 1 hour you lose about 0,1 ‰
But here is an english alcohol calculator for you^^
http://www.globalrph.com/blood_alcohol_calculator.htm







