Blood Alcohol Concentration (BAC) Calculator

Estimate your BAC level based on drinks consumed, body weight, gender, and time elapsed since your first drink.

Estimated BAC Level

0.000 %

BAC Scale

0.000.080.150.250.40+

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Grams of alcohol

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Standard drinks

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Already eliminated

Personal Information

Gender

♂ Male ♀ Female

Body Weight

Time Since First Drink

Alcohol Consumed

🍺 Beer ▼

Quantity

🍷 Wine ▼

Quantity

🥃 Spirits / Liquor ▼

Quantity

🍹 Other / Custom ▼

Quantity

ABV (%)

Volume per drink

Unit