Table 1. Mouse blood alcohol concentrations (BAC) and associated estimated number of standard drinks for men and women.

Approximate blood alcohol in 1–2 hours for men and women (140–180 lb.).

Estimated Number of Standard Drinks
BAC (%)	mg/dl	Men	Women
0.254	254.2	9–11	8–9
0.152	152.3	6–7	4–6
0.0265	26.5	2–5	1–3
0.00397	3.97	≤ 1	≤ 1

One standard drink is based on 1.5 oz. of 80 proof liquor (40%), 12 oz. beer (4.5%), or 5 oz. wine (12%).

Source: National Highway Traffic Safety Administration, USA.