Popular Tool
BAC Calculator
Estimate your blood alcohol content based on drinks consumed, weight, and time elapsed.
Do Not Use This To Decide If You Can Drive
This calculator provides estimates only. Many factors affect actual BAC including metabolism, food, medications, and health conditions. If you've been drinking, do not drive. Use a rideshare, taxi, or designated driver.
BAC Estimator
1
BAC Levels & Effects
0.00% - 0.02%
Minimal effects. Slight mood elevation possible.
0.03% - 0.05%
Mild euphoria, relaxation. Reduced inhibitions.
0.06% - 0.07%
Impaired judgment and reasoning. Slower reaction time.
0.08%+ILLEGAL
Severely impaired coordination and judgment. Illegal to drive.
0.15%+EXTREME
Enhanced penalties. Risk of blackouts and alcohol poisoning.
Legal BAC Limits
0.08%
Adults 21+
Standard drivers
0.02%
Under 21
Zero tolerance
0.04%
CDL Drivers
Commercial vehicles
FAQ
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