Estimate your Blood Alcohol Content (BAC) based on drinks consumed, body weight, and time.
This calculator provides estimates only. BAC can vary significantly based on many factors. Never rely on this calculator to determine if you're safe to drive. When in doubt, don't drive.
| BAC Level | Effects | Legal Status |
|---|---|---|
| 0.00-0.03% | No obvious effects | Legal to drive |
| 0.03-0.08% | Mild euphoria, relaxation, impaired judgment | Impaired (varies by location) |
| 0.08-0.15% | Significant impairment, poor coordination | Legally intoxicated |
| 0.15%+ | Severe impairment, risk of alcohol poisoning | Dangerous levels |