BAC Effects Chart

Understand the typical effects at different Blood Alcohol Concentration levels

BAC Scale

0.08% Legal Limit

0.00%0.05%0.10%0.15%0.20%+

Click on a zone below to see detailed effects

0.00 – 0.02%

Sober / Minimal

0.02 – 0.05%

Slightly Impaired

0.05 – 0.08%

Mildly Impaired

0.08 – 0.10%

Legally Impaired

0.10 – 0.15%

Significantly Impaired

0.15%+

Severely Impaired

Data Sources

This information is based on publicly available data from the National Highway Traffic Safety Administration (NHTSA) and the Centers for Disease Control and Prevention (CDC). Individual effects may vary significantly based on factors including body composition, food intake, medications, tolerance, and overall health.

Important Disclaimer

This chart is for educational purposes only. Do not use this information to determine whether you are safe to drive. When in doubt, do not drive. This is not legal or medical advice.