Alcohol Intake Calculator
Calculate your alcohol consumption, estimate blood alcohol content (BAC), track calories from drinks, and understand health guidelines for responsible drinking.
Step 1: Your Details
Standard Drink Guidelines
1 standard drink = 14g pure alcohol. Moderate drinking: up to 1 drink/day (women), 2 drinks/day (men). Binge drinking: 4+ drinks (women), 5+ drinks (men) in 2 hours.
Step 2: Calculation Options
BAC Calculation Formula
Widmark Formula: BAC = (Standard Drinks × 14) / (Weight in kg × Gender Constant) – (Metabolism Rate × Hours)
Gender Constant: 0.68 (male), 0.55 (female)
Metabolism: 0.015 BAC/hour average
Alcohol Intake Results
Estimated Blood Alcohol Content (BAC)
Drink Type Comparison
| Drink Type | Standard Drinks | Alcohol (g) | Calories | ABV |
|---|
Health Impact Assessment
Short-Term Effects
At 0.05% BAC: Mild relaxation, slight euphoria, minor impairment of judgment and coordination. Legal driving limit is 0.08% in most US states.
Long-Term Health Risks
Moderate drinking (1-2 drinks/day) may have some cardiovascular benefits. Excessive drinking increases risk of liver disease, cancer, and mental health issues.
Caloric Impact
Alcohol contains 7 calories per gram. Mixed drinks with sugary mixers can contain 200-500 calories per drink, contributing to weight gain.
Recommended Limits
US Guidelines: Up to 1 drink/day (women), 2 drinks/day (men)
UK Guidelines: No more than 14 units/week for both men and women
WHO: Less is better for health
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