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BAC Calculator for Women

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

Understand how female physiology affects blood alcohol concentration.

Ready to check your BAC?

Use BAC Calculator

Frequently Asked Questions

Why do women reach higher BAC levels than men?

Women typically have a lower percentage of body water (about 49% vs 58% for men) and higher body fat percentage. Since alcohol distributes through body water, the same amount of alcohol results in higher BAC levels in women. Women also produce less alcohol dehydrogenase, the enzyme that breaks down alcohol.

Does body weight affect BAC in women?

Yes, body weight is a significant factor. Women with lower body weight have less total body water to dilute alcohol, leading to higher BAC levels. A woman weighing 120 lbs will reach a significantly higher BAC than a woman weighing 160 lbs after consuming the same amount of alcohol.

Do hormonal changes affect alcohol metabolism?

Research suggests that hormonal fluctuations during the menstrual cycle may influence alcohol metabolism and its effects. Some studies indicate that alcohol may be metabolized differently during different phases of the cycle, though more research is needed.