Drinks to BAC Calculator

Estimate BAC from number of drinks, body weight, and elapsed time.

Enter Values

Drinks Consumed

Drink Type Code

Custom Alcohol Grams

Gender Code

Body Weight

Weight Unit Code

Elapsed Hours

Enter values above and click Calculate to see your result.

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BAC estimate combines drink alcohol content, body distribution, and elimination over time.

The tool estimates BAC from drink inputs and subtracts expected elimination.

Four standard drinks, 170 lbs, and 2 hours gives an estimated BAC.

A standard drink is often modeled near 14 grams of pure alcohol.

BAC typically decreases over time due to metabolism.

AI Assistant

Ask about this calculator

I can help you understand the drinks to bac calculator formula, interpret your results, and answer follow-up questions.

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All calculations run locally. Your data never leaves your browser.