Blood Alcohol Percentage Charts

Approximate Blood Alcohol Percentage In One Hour For A Woman

Source: National Highway Traffic Safety Administration

Approximate Blood Alcohol Percentage In One Hour For A Woman
Drinks Body Weight in Pounds Influenced
  100 120 140 160 180 200 220 240  
1 .05 .04 .03 .03 .03 .02 .02 .02 Possibly
2 .09 .08 .07 .06 .05 .05 .04 .04
3 .14 .11 .11 .09 .08 .07 .06 .06 Impaired
4 .18 .15 .13 .11 .10 .09 .08 .08
5 .23 .19 .16 .14 .13 .11 .10 .09 Legally Intoxicated
6 .27 .23 .19 .17 .15 .14 .12 .11
7 .32 .27 .23 .20 .18 .16 .14 .13
8 .36 .30 .26 .23 .20 .18 .17 .15
9 .41 .34 .29 .26 .23 .20 .19 .17
10 .45 .38 .32 .28 .25 .23 .21 .19

Approximate Blood Alcohol Percentage In One Hour For A Man

Source: National Highway Traffic Safety Administration

Approximate Blood Alcohol Percentage In One Hour For A Man
Drinks Body Weight in Pounds Influenced
  100 120 140 160 180 200 220 240  
1 .04 .03 .03 .02 .02 .02 .02 .02 Possibly
2 .08 .06 .05 .05 .04 .04 .03 .03
3 .11 .09 .08 .07 .06 .06 .05 .05 Impaired
4 .15 .12 .11 .09 .08 .08 .07 .06
5 .19 .16 .13 .12 .11 .09 .09 .08 Legally Intoxicated
6 .23 .19 .16 .14 .13 .11 .10 .09
7 .26 .22 .19 .16 .15 .13 .12 .11
8 .30 .25 .21 .19 .17 .15 .14 .13
9 .34 .28 .24 .21 .19 .17 .15 .14
10 .38 .31 .27 .23 .21 .19 .17 .16

Blood Alcohol Chart (PDF)

Subtract .015 for each hour after drinking.

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

Note: The figures are averages and may vary based on the amount of food in your stomach.

INTOXICATION:

  • Not having normal use of mental or physical faculties by reason of the introduction of:
    • Alcohol;
    • controlled substance; or
    • combination.
  • Having a BAC of 0.08 or more.

Texas Penal Code §49.01