Interactive Blood Alcohol Level Chart

Some loss of judgment, relaxation, slight body warmth, and altered mood. Decline in visual functions (rapid tracking of moving targets), and decline in ability to perform two tasks at the same time.

Exaggerated behavior, impaired judgment, lowered alertness, release of inhibition. Reduced coordination, reduced ability to track moving objects, difficulty steering, and reduced response to emergency driving situations.

The legal limit for driving in most of the US. Muscle coordination becomes poor (e.g., balance, speech, vision, reaction time, and hearing). Harder to detect danger. Judgment, self-control, reasoning, and memory are impaired.

Far less muscle control than normal. Vomiting may occur (unless this level is reached slowly or a person has developed a high tolerance). Major loss of balance. Substantial impairment in vehicle control, attention to driving task, and necessary visual and auditory information processing.

Stupor. You have little comprehension of where you are. You may pass out suddenly and be difficult to awaken. Severe depression of the central nervous system.

Onset of coma. High risk of death due to respiratory arrest (your breathing stops). This is considered a lethal blood alcohol level for most human beings.