BAC Calculator

Estimate Blood Alcohol Content based on drinks, weight, and time.

Your Information

Gender

Weight Unit

Body Weight

lbs

Drink Information

Drink Type

Number of Drinks

drinks

Hours Since First Drink

hours

⚠️ Important Disclaimer

This calculator provides estimates only. Actual BAC varies based on many factors including metabolism, food consumption, medications, and individual differences.

Never drink and drive. If you've been drinking, use a designated driver, rideshare, or taxi.

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BAC Estimate

Estimated BAC0.038%

Impairment LevelMild impairment

Legal Limit0.08%

Hours to Sober

0.038%

✓ Below legal limit

BAC Levels

0.00-0.02%Sober

0.02-0.05%Mild impairment

0.05-0.08%Moderate impairment

0.08%+Legally impaired (US)