Knoxville DUI Lawyer Steve ObermanKnoxville, TN DUI/DWI Lawyers

Blood Alcohol Calculator

  • Weight:
  • Drinks consumed:
  • Over time period:
  • Gender:
  • (weight)
  • (12 oz. beer or equivalent)
  • (hours)

Your BAC will be:

Disclaimer: This blood alcohol calculator is intended for general education purposes and may not be accurate for each individual. It in no way purports to be, nor should it be relied upon to be, a guideline for how much you can drink and still safely drive or avoid being arrested.

 

Blood Alcohol Calculator Chart (MALES)

APPROXIMATE BLOOD ALCOHOL PERCENTAGE
Drinks * BODY WEIGHT IN POUNDS EFFECT ON PERSON
  100 120 140 160 180 200 220 240  
0
 .00 .00 .00 .00 .00 .00 .00 .00
ONLY SAFE DRIVING LIMIT
1
 .04 .03 .03 .02 .02 .02 .02 .02
IMPAIRMENT BEGINS.
2
 .08 .06 .05 .05 .04 .04 .03 .03
3
 .11 .09 .08 .07 .06 .06 .05 .05
DRIVING SKILLS SIGNIFICANTLY AFFECTED.

 
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
7
 .26 .22 .19 .16 .15 .13 .12 .11
LEGALLY INTOXICATED.
CRIMINAL PENALTIES IN ALL STATES
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

Subtract .01% for each 40 minutes of drinking. * One drink is equal to 1¼ oz. of 80-proof liquor, 12 oz. of beer, or 4 oz. of table wine.

 

Blood Alcohol Calculator Chart (FEMALES)

APPROXIMATE BLOOD ALCOHOL PERCENTAGE
Drinks * BODY WEIGHT IN POUNDS EFFECT ON PERSON
  90 100 120 140 160 180 200 220 240  
0
.00 .00 .00 .00 .00 .00 .00 .00 .00 ONLY SAFE DRIVING LIMIT
1 .05 .05 .04 .03 .03 .03 .02 .02 .02 IMPAIRMENT BEGINS.
2 .10 .09 .08 .07 .06 .05 .05 .04 .04 DRIVING SKILLS SIGNIFICANTLY AFFECTED.
3 .15 .14 .11 .11 .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 IN ALL STATES
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

Subtract .01% for each 40 minutes of drinking. * One drink is equal to 1¼ oz. of 80-proof liquor, 12 oz. of beer, or 4 oz. of table wine.