Estimated BAC Charts
As you have read in other places in this site, there are many factors that affect your Blood Alcohol concentration (BAC) when you drink. Some of these include: a person's size, gender and physical condition; what they have had to eat; how much sleep they have had; what medications they are taking and, importantly, the actual alcohol content of their chosen "drink."
Size and gender difference are reflected in the following estimated charts:
BAC Chart for Men
| Men | |||||||||
| Approximate Blood Alcohol Percentage | |||||||||
| Drinks | Body Weight in Pounds | ||||||||
| 100 | 120 | 140 | 160 | 180 | 200 | 220 | 240 | ||
| 0 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | Only Safe Driving Limit |
| 0 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Only Safe Driving Limit |
| 1 | .04 | .03 | .03 | .02 | .02 | .02 | .02 | .02 | Driving Skills Significantly Affected Possible Criminal Penalties |
| 2 | .08 | .06 | .05 | .05 | .04 | .04 | .03 | .03 | |
| 3 | .11 | .09 | .08 | .07 | .06 | .06 | .05 | .05 | |
| 4 | .15 | .12 | .11 | .09 | .08 | .08 | .07 | .06 | |
| 5 | .19 | .16 | .13 | .12 | .11 | .09 | .09 | .08 | |
| 6 | .23 | .19 | .16 | .14 | .13 | .11 | .10 | .09 | Legally Intoxicated Criminal Penalties |
| 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 | Death Possible |
| Subtract .01% for each 40 minutes of drinking. One drink is 1.25 oz. of 80 proof liquor, 12 oz. of beer, or 5 oz. of table wine. |
|||||||||
BAC Chart for Women
| Women | ||||||||||
| Approximate Blood Alcohol Percentage | ||||||||||
| Drinks | Body Weight in Pounds | |||||||||
| 90 | 100 | 120 | 140 | 160 | 180 | 200 | 220 | 240 | ||
| 0 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | Only Safe Driving Limit |
| 0 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | Only Safe Driving Limit |
| 1 | .05 | .05 | .04 | .03 | .03 | .03 | .02 | .02 | .02 | Driving Skills Significantly Affected Possible Criminal Penalties |
| 2 | .10 | .09 | .08 | .07 | .06 | .05 | .05 | .04 | .04 | |
| 3 | .15 | .14 | .11 | .10 | .09 | .08 | .07 | .06 | .06 | |
| 4 | .20 | .18 | .15 | .13 | .11 | .10 | .09 | .08 | .08 | |
| 5 | .25 | .23 | .19 | .16 | .14 | .13 | .11 | .10 | .09 | |
| 6 | .30 | .27 | .23 | .19 | .17 | .15 | .14 | .12 | .11 | Legally Intoxicated Criminal Penalties |
| 7 | .35 | .32 | .27 | .23 | .20 | .18 | .16 | .14 | .13 | |
| 8 | .40 | .36 | .30 | .26 | .23 | .20 | .18 | .17 | .15 | |
| 9 | .45 | .41 | .34 | .29 | .26 | .23 | .20 | .19 | .17 | |
| 10 | .51 | .45 | .38 | .32 | .28 | .25 | .23 | .21 | .19 |
Death Possible |
| Subtract .01% for each 40 minutes of drinking. One drink is 1.25 oz. of 80 proof liquor, 12 oz. of beer, or 5 oz. of table wine. |
||||||||||
This information is taken from Virginia Tech Alcohol Abuse Prevention website.
