Blood Alcohol Content Calculator
Estimate your BAC level based on drinks consumed
For educational purposes only. Do not use as a basis for driving decisions.
Understanding Blood Alcohol Content (BAC)
What is BAC?
Blood Alcohol Content (BAC) measures the percentage of alcohol in your bloodstream. This measurement is used by law enforcement and medical professionals to assess levels of intoxication and impairment.
Factors Affecting BAC
- Body weight and composition
- Gender differences in metabolism
- Rate of consumption
- Time since first drink
- Food in stomach
- Individual tolerance
BAC Levels and Effects
0.02% - 0.03%
Slight mood changes, mild relaxation
0.05% - 0.06%
Lowered inhibitions, reduced judgment
0.08%
Legal limit for driving in most states
0.10% - 0.12%
Significant impairment of physical and mental functions
Safe Drinking Tips
- Eat before and while drinking
- Pace yourself - one drink per hour
- Stay hydrated with water
- Plan for safe transportation
- Know your limits
Important: This calculator provides estimates only. Never use BAC calculations to determine if you're safe to drive. If you've been drinking, use a designated driver, taxi, or ride-sharing service.
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