Blood Alcohol Content (BAC) Calculator

Estimate your blood alcohol level based on drinks consumed, body weight, and time. Know when you are safe to drive.

Your Weight (lbs)

Gender

Number of Drinks

Hours Drinking

1 drink = 12oz beer (5%) = 5oz wine (12%) = 1.5oz spirits (40%)

⚠️ Disclaimer: This calculator is for informational and educational purposes only. Results are not medical advice and should not be used to diagnose, treat, or prevent any health condition. Individual health needs vary. Always consult a qualified healthcare provider or physician before making health-related decisions. CalcLeap does not provide medical services or advice.