Blood Alcohol Content

LINKS

Blood Alcohol Content (BAC)

BAC is the amount of alcohol in your blood as you drink (milligrams of alcohol/100 milliliters of blood).

CALCULATE YOUR BAC
1. Use the tables below (Source: www.factsontap.org)
2. Use an online BAC calculator
3. Buy a BAC Card online

STAY IN YOUR SAFE ZONE!
(DO NOT EXCEED .08)

WOMEN
Weight

# of drinks in
one hour

100 lbs.

120 lbs.

140 lbs.

160 lbs.

180 lbs.

200 lbs.

220 lbs.

240 lbs.

1

.05

.04

.04

.03

.03

.03

.02

.02

2

.10

.08

.07

.06

.06

.05

.05

.04

3

.15

.13

.11

.10

.08

.08

.07

.06

4

.20

.17

.15

.13

.11

.10

.09

.09

5

.25

.21

.18

.16

.14

.13

.12

.11

6

.30

.26

.22

.19

.17

.15

.14

.13

7

.36

.30

.26

.22

.20

.18

.16

.15

8

.41

.33

.29

.26

.23

.20

.19

.17

9

.46

.38

.33

.29

.26

.23

.21

.19

10

.51

.42

.36

.32

.28

.25

.23

.21

11

.56

.46

.40

.35

.31

.27

.25

.23

12

.61

.50

.43

.37

.33

.30

.28

.25

13

.66

.55

.47

.40

.36

.32

.30

.27

14

.71

.59

.51

.43

.39

.35

.32

.29

15

.76

.63

.55

.46

.42

.37

.35

.32

MEN
Weight

# of drinks in
one hour

100 lbs.

120 lbs.

140 lbs.

160 lbs.

180 lbs.

200 lbs.

220 lbs.

240 lbs.

1

.04

.04

.03

.03

.02

.02

.02

.02

2

.09

.07

.06

.05

.05

.04

.04

.043

3

.13

.11

.09

.08

.07

.07

.06

.05

4

.17

.15

.13

.11

.10

.09

.08

.07

5

.22

.18

.16

.14

.12

.11

.10

.09

6

.26

.22

.19

.16

.15

.13

.12

.11

7

.30

.25

.22

.19

.17

.15

.14

.13

8

.35

.29

.25

.22

.19

.17

.16

.14

9

.37

.32

.26

.24

.20

.19

.17

.15

10

.39

.35

.28

.25

.22

.20

.18

.16

11

.48

.40

.34

.30

.26

.24

.22

.20

12

.53

.43

.37

.32

.29

.26

.24

.21

13

.57

.47

.40

.35

.31

.29

.26

.23

14

.62

.50

.43

.37

.34

.31

.28

.25

15

.66

.54

.47

.40

.36

.34

.30

.27

Stay in your SAFE zone:
.02-.03 = no loss of coordination; slight euphoria and loss of shyness
.04-.06 = feeling relaxed; inhibitions lowered; minor impairments of reasoning and memory; become less cautious

Be careful of your MID zone:
.07-.09 = some impairment of balance, reaction time, judgment reason and speech
.10-.125 = significant impairment of motor functions (coordination and balance) and reaction time; loss of good judgment; slurred speech
.13-.15 = gross motor impairment and lack of physical control (stumbling and falling down); blurred vision; judgment and perception highly impaired; anxious feelings
.16-.19 = nausea, may vomit; anxiety increases; person appears “sloppy drunk”
.20-.24 = disoriented, needs help to stand and walk; nausea and vomiting; blackouts likely

Keep out of your DANGER zone:
.25-.29 = mental, physical and sensory functions severely impaired, risk of serious injury to self or others; blackouts likely
.30-.34 = stupor; little comprehension; may pass out and be hard to awaken
.35+ = may stop breathing; coma and/or death

DID YOU KNOW…                         

  • Every individual reacts differently to alcohol.   
  • The chart doesn't take into account your individual body composition, your use of medication, your mood changes, your personal metabolism rate, or family history of alcoholism. Therefore, your blood alcohol level may in fact be slightly higher or slightly lower than the chart indicates for the number of drinks you consume.                                                                      
  • Your body processes alcohol at a constant rate of .5 oz. per hour (that’s about 1 drink), regardless of how many ounces you consume.
  • .08 blood alcohol level is considered legally drunk and it can only take the average person 2-3 drinks per hour to reach this limit.  With the way some college students binge drink these days, that isn’t much!
  • Most states practice zero-tolerance laws, meaning if you are under 21, any alcohol in your system is against the law.
     
Sources:
www.factsontap.org
American Council on Alcoholism
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