The Alcohol Consumption Calculator quantifies alcohol intake in standard drinks, weekly units, and grams of pure ethanol to help individuals and healthcare providers assess drinking patterns against established health guidelines. Supports AUDIT-C clinical screening and WHO risk level classification.
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The calculator for alcohol consumption converts drinks of any type and size into standardized units — enabling consistent comparison against public health guidelines regardless of beverage. Healthcare providers use this for AUDIT-C screening and brief intervention counseling; individuals use it to understand where their drinking falls on evidence-based risk thresholds.
A "standard drink" contains a defined amount of pure ethanol, but the definition varies by country:
This calculator converts any drink into grams of pure alcohol and the standard unit of your chosen country. The blood alcohol content calculator uses these quantities to estimate intoxication level based on body weight and time.
Major health organizations have established evidence-based thresholds:
Use this online calculator to compare intake against any framework. The CIWA-Ar calculator assesses withdrawal severity in clinical settings.
The AUDIT-C is a validated 3-question screening tool scored 0–12. Score 3+ (women) / 4+ (men) is a positive screen for hazardous drinking, warranting brief intervention. Score 8+ indicates probable alcohol use disorder requiring further assessment. Accurate quantification is foundational — patients provide more accurate data when shown standard drink pictures than when asked vague quantity questions.
Current evidence indicates any level of alcohol consumption increases risk of certain cancers (breast, colorectal, esophageal). Liver disease, hypertension, and atrial fibrillation risk increase progressively above low-risk thresholds. Recent Mendelian randomization studies suggest the previously reported cardiovascular benefit is largely confounded. The toxicology calculators category provides related clinical assessment tools.
Select drink type or enter custom volume/ABV. Specify number of drinks and weekly frequency. Computes grams of alcohol (preset or volume x ABV x 0.789), standard drinks (14g each), calories (7.1 cal/g), and weekly risk assessment versus NIAAA guidelines.
Low risk: 7 or fewer drinks/week. Moderate: 8-14/week. Increased: 15-21/week. High risk: Over 21/week.
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2 glasses of wine 3x/week = 6 weekly standard drinks.
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6 strong beers twice weekly = 19.2 weekly standard drinks.
14 grams of pure alcohol: 12 oz of 5% beer, 5 oz of 12% wine, or 1.5 oz of 40% spirits.
7.1 calories per gram. Mixers and sugars add more.
Up to 1 drink/day for women (7/week), up to 2/day for men (14/week).
Reaching BAC 0.08%+: typically 5+ drinks for men or 4+ for women within 2 hours.
Grams = volume (mL) x ABV (decimal) x 0.789.
Yes. US=14g, UK=8g, Australia=10g, Japan=19.75g.
Often 7-12% ABV vs standard 4-5%, so one craft beer may equal 1.5-2.5 standard drinks.
NIAAA: >4 drinks/day or >14/week (men), >3/day or >7/week (women).
Weight affects BAC but not total grams consumed. Lighter people reach higher BAC.
Recent research suggests no completely safe level, particularly regarding cancer risk.
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