Blood Alcohol Concentration (BAC) Calculator
Calculate your estimated blood alcohol concentration based on drinks, weight, and time. Know your limits and stay safe.
lbs
This calculator provides estimates only. Individual results vary. Never drink and drive.
Understanding BAC
Effects by BAC Level
0.02-0.03% Mild euphoria, slight relaxation
0.04-0.06% Feeling warm, reduced inhibition
0.07-0.09% Impaired balance, judgment, reaction time
0.10-0.15% Significant impairment, slurred speech
0.16-0.20% Nausea, confusion, emotional swings