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BAC Guide

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Blood Alcohol Concentration %BAC Guide
The measure of impairement is directly related to several factor such as weight, gender, and body metabolism. Women are more susceptible to the effects of alcohol than men. The following charts are organized based on weight and genders only.

Click Here to use an online Blood Alcohol Content (BAC) Calculator.

Drinks
/
hour
Estimated Percentage of Blood Alcohol Content %BAC
MALE
Weight in Pounds
100
120
140
160
180
200
220
240
1
.04
.03
.03
.02
.02
.02
.02
.02
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
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

 

Drinks
/
hour
Estimated Percentage of Blood Alcohol Content BAC
FEMALE
Weight in Pounds
 
 
100
120
140
160
180
200
220
240
1
.05
.04
.03
.03
.03
.02
.02
.02
2
.09
.08
.07
.06
.05
.05
.04
.04
3
.14
.11
.10
.09
.08
.07
.06
.06
4
.08
 .15
.13
.11
.10
.09
.08
.08
5
.23
.19
.16
.14
.13
.11
.10
.09
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