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BAC Calculator for Beer

Your Profile

Sex
Weight
lbs
154 lbs
Height
ft in
5' 7"
📅 Age
years
Alcohol Tolerance

Drinking Timeframe

🕑 Start time
📅 End time

Food Intake

How much did you eat before/while drinking?

Empty
Barely ate
🍴
Little
Snacks only
🍕
Normal
Regular meal
🥣
A Lot
Full meal
Food slows alcohol absorption and can reduce peak BAC by up to 30%

What did you drink?

Your Results

MINIMAL
0.00‰
Current Blood Alcohol

This is an estimate only. Do not drive or operate machinery if you have consumed alcohol. Individual metabolism varies significantly.

Peak Permille
0.00 ‰
🕐 Estimated Sober
Now
Based on average metabolism rate
Hour-by-Hour Breakdown

Learn about beer types, ABV ranges, and how beer consumption affects your BAC.

Ready to check your BAC?

Use BAC Calculator

Frequently Asked Questions

How much beer does it take to reach 0.08% BAC?

This varies significantly by body weight, sex, and beer strength. As a rough guide, a 160 lb male may reach 0.08% BAC after about 4 standard beers (12 oz, 5% ABV) consumed in one hour. A 130 lb female might reach this level after about 3 beers in the same timeframe.

What is the average ABV of beer?

Regular domestic beer averages 4-5% ABV. Light beers range from 3-4% ABV. Craft beers vary widely, from 5-8% for IPAs to 8-12% for imperial stouts and barleywines. Some specialty beers can exceed 12% ABV.

Does the type of beer affect BAC?

Yes, primarily through ABV differences. A 12 oz craft IPA at 7% ABV contains 40% more alcohol than a 12 oz light beer at 4% ABV. Serving size also matters — a pint (16 oz) contains 33% more alcohol than a standard 12 oz can of the same beer.