BAC Calculators

NOTE: This information is presented as an educational tool.  DO NOT use this as a rational for making any decision to drive after drinking alcohol; the ONLY safe limit is ZERO drinks.

Click here for an Interactive BAC Calculator

.
DRINKS are defined as: 5 oz of wine OR 12 oz od standard American beer OR 1.5 oz of 80 proof liquor
.
DRINKS are NOT DEFINED as a 22 oz beer, a Long Island Ice Tea (this is usually at least 4 drinks), or shots of 151 or something similar – RIGHT????? – YES?
Men

 

MEN

 

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

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

 

Women

 

WOMEN

 

Drinks

Body Weight in Pounds

 

 

90

100

120

140

160

180

200

220

 

0

.00

.00

.00

.00

.00

.00

.00

.00

Only Safe Driving Limit

1

.05

.05

.04

.03

.03

.03

.02

.02

Driving
Skills
Significantly
Affected


Possible
Criminal
Penalties

2

.10

.09

.08

.07

.06

.05

.05

.04

3

.15

.14

.11

.10

.09

.08

.07

.06

4

.20

.18

.15

.13

.11

.10

.09

.08

5

.25

.23

.19

.16

.14

.13

.11

.10

6

.30

.27

.23

.19

.17

.15

.14

.12

 

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