Note: The data on the charts is indicative of only one hour of alcohol consumption.
Consuming multiple drinks per hour over a period of more than one hour would
render a person’s Blood Alcohol Content significantly higher than the
data listed on the chart for one hour of consumption.
Impaired Driving
BAC%
DRINKS CONSUMED
EFFECTS
Male
Female
0.02%
1
1
Ability to track moving objects and do tasks requiring
divided attention may suffer.
0.05%
2 to 3
1 to 2
Thought, judgment and restraint more lax. Steering
errors increase. Vision impaired.
0.08%
3 to 4
2 to 4
Legal limit in most states. Drivers are 3 to 4 times more likely to crash
than a sober driver. Movements are clumsy. Reaction time slows
more.
0.10%
3 to 5
2 to 5
Drivers are 6 times
more likely to crash. Movements are clumsy. Reaction time
slows even more.
0.15%
4 to 7
3 to 7
Crashing is 25 times more likely. Reaction
time increasingly affected especially in divided tasks. Field
of vision narrows.
One drink = 1 oz. 80 proof spirits = 3 oz.
glass of 12% wine
= 12 oz. glass of 5% beer
Figures contained in the charts are averages, BAC and effects of alcohol on individuals vary widely.
