Health & Medical

Blood Alcohol Calculator (BAC)

Estimate your Blood Alcohol Concentration (BAC) and find out how long it will take to safely sober up using the standard Widmark formula.

Consumption Details

Alcohol distribution varies by biological sex (body water ratio).
Drinks
1 standard drink = 12oz beer (5%), 5oz wine (12%), or 1.5oz shot (40%).
Hours

Legal Settings & Info

Standard Drink Equivalent:
  • 🍺 Beer: 12 oz (355 ml) at 5% ABV
  • 🍷 Wine: 5 oz (148 ml) at 12% ABV
  • 🥃 Liquor: 1.5 oz (44 ml) at 40% ABV
!

Disclaimer: This calculator provides a mathematical estimate based on average metabolic rates. True BAC varies heavily by genetics, food intake, and liver function. Never rely on this tool to determine if it is safe to drive.

Estimated Results

Estimated BAC Level
0.000%
Awaiting Data
Physical & Mental Impairment Sober
Time Until Legal to Drive (0.08%) 0 Hours
Time Until Completely Sober (0.00%) 0 Hours
Intoxication Level 0.20%+ (Danger)
0.00% (Sober)
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