附送酒精含量计算器 http://www.impaired-driving-defence.com/BAC.htm
You are a male and weigh 50 kgs(110 lbs).
You have selected an elimination rate of 10 mg of alcohol per 100 ml of blood per hour.
You had 1 drink beginning on 4/23/2014 at 7:36 PM.
You began drink 1 [Beer (2.6%, 350 ml)] at 7:36 PM.
You finished your last drink on 4/23/2014 at 7:36 PM.
Your BAC on 4/23/2014 at 7:37 PM was 21 (mgs of alcohol per 100 ml of blood).