Audit C Calculator - Score and Interpret

The audit c calculator totals the three consumption questions from the WHO Alcohol Use Disorders Identification Test, often called the AUDIT-C. Each question is scored 0 to 4, the total ranges from 0 to 12, and the band label is read against the sex-specific positive cutoff primary care has used since the late 1990s.

• • Self check before a primary care visit: complete the three past-year questions at home so the conversation starts with a shared number.
• • Brief annual screening in a clinic or workplace program: flag anyone who crosses the sex-specific cutoff, then follow up with a fuller assessment.
• • Re-screening after a behavior change: repeat the AUDIT-C months later to see if a low-risk pattern has shifted.
• • Personal reflection on alcohol habits: treat the score as a private check on frequency, typical amount, and heavy-occasion days.

The tool keeps the WHO wording so the score can be compared with studies and primary-care protocols, and the 0 to 4 per item plus 0 to 12 total range matches the 1998 and 2001 papers. A positive screen is a starting point for a conversation, a fuller AUDIT, or a referral, not a label.

For a same-day estimate of the alcohol in the bloodstream after a single drinking session, the BAC Calculator turns a recent drink count into a blood alcohol content reading.

The audit c calculator works in three steps. It sums the three per-question scores, applies the sex-specific positive screen cutoff, and labels the total against the WHO and USPSTF bands.

• q1Frequency: Q1 score: 0 = Never, 1 = Monthly or less, 2 = 2-4 times a month, 3 = 2-3 times a week, 4 = 4 or more times a week.
• q2TypicalDrinks: Q2 score: 0 = 1-2 drinks, 1 = 3-4 drinks, 2 = 5-6 drinks, 3 = 7-9 drinks, 4 = 10 or more drinks on a typical drinking day.
• q3HeavyOccasions: Q3 score: 0 = Never, 1 = Less than monthly, 2 = Monthly, 3 = Weekly, 4 = Daily or almost daily for 6+ drinks on one occasion.
• sex: Biological sex used to apply the cutoff. The male threshold is 4+ and the female threshold is 3+.
• ageGroup: Used only to attach a NIAAA risky-use note to the result; it does not change the score or band.

Each per-question score is a 0 to 4 integer from a dropdown, so the total is a simple sum. The result panel shows the per-question values, the total, the cutoff used, and the band label. The age context does not change the cutoff or band; it only adds the relevant NIAAA risky-use line.

According to WHO AUDIT manual, the AUDIT-C is the three consumption questions from the full AUDIT, each scored 0 to 4, with a total range of 0 to 12.

When a high-risk Audit C result raises liver concerns, the AST ALT Ratio Calculator reads a routine blood test to flag a De Ritis ratio that may deserve a clinical follow-up.

Four concepts matter for reading the audit c calculator the way the WHO intended. Naming them keeps the score from being read as a diagnosis.

The single most important distinction is screening versus diagnosis. A positive screen on its own does not meet DSM-5 criteria for alcohol use disorder, even though the same AUDIT-C wording is used in research, primary care, and workplace programs. A 16-oz craft beer at 7% ABV is closer to two standard drinks, so Q2 and Q3 scores depend on the size and strength of what was actually poured.

Screening habits cluster well together, and the Blood Pressure Calculator applies a similar brief-screen logic to systolic and diastolic readings so the same annual visit covers both topics.

The form is a three-question past-year survey plus a sex selector and an age context. Each question should be answered for the last twelve months, not for an unusually heavy week.

1. 1 Pick the sex for cutoff: choose female or male. The tool applies the 3+ female or 4+ male positive screen cutoff to the total.
2. 2 Enter the Q1 frequency: select the response that best matches past-year drinking frequency from Never (0) to 4 or more times a week (4).
3. 3 Enter the Q2 typical drinks: select the response that best matches the number of standard drinks on a typical drinking day, using the NIAAA 14 g drink as the unit.
4. 4 Enter the Q3 heavy-occasion frequency: select how often 6 or more standard drinks were consumed on a single occasion in the past year.
5. 5 Pick the age context: choose 18-64 or 65 and older. This adds a one-line NIAAA risky-use note but does not change the score or band.
6. 6 Read the total, band, and per-question scores together: treat the total and the band label as a set, then look at the per-question scores to see whether frequency, typical amount, or heavy-occasion days are driving the result.

A reader who drinks 2-3 times a week, has 3-4 drinks on a typical day, and has 6+ drinks monthly enters Q1 = 3, Q2 = 1, Q3 = 2 with sex = female. The total is 6, a positive screen for women.

For another short validated questionnaire that uses a 0 to 3 item score and a total band, the Epworth Sleepiness Scale Calculator is a useful parallel for daytime sleepiness screening.

Using this calculator the way the WHO and the USPSTF designed it gives several practical benefits over a single yes-or-no question.

• • Three-question brevity: the AUDIT-C fits in a 1- to 2-minute screen.
• • Sex-specific positive cutoff: the 4+ male and 3+ female thresholds keep the screen sensitive without over-flagging low-risk drinkers.
• • Per-question and total readout: seeing Q1, Q2, and Q3 side by side shows whether frequency, typical amount, or heavy-occasion days are driving the total.
• • Sex-aware risk band: the band label pairs the score with the WHO high-risk band at 8 or more.
• • Clear screening disclaimer: the result is framed as a brief screen, not a diagnosis.
• • Re-screening friendly: the same wording and scoring can be used months later to compare a planned change against a baseline total.

The tool pairs well with a fuller assessment when the band is positive screen or higher. The audit c calculator per-question scores also make it easier to decide which behavior to discuss first.

For a related blood-pressure style screen, the Blood Pressure Calculator follows the same brief-screen pattern.

The result depends on the answers entered and the cutoff applied. Small changes can flip the band, especially near the sex-specific cutoff or the high-risk threshold.

• • This is a brief screen, not a clinical assessment. A positive screen on its own does not diagnose alcohol use disorder and should be followed by a fuller AUDIT or clinical evaluation.
• • The standard drink used here is 14 g of pure alcohol, a US-centric unit. A 12-oz US beer, a 330-mL European beer, and a 25-mL spirit pour are not the same size, so the Q2 and Q3 scores can drift between countries.
• • Self-reported past-year alcohol use is known to be biased low, and the tool does not correct for that. Comparing the score with biomarkers or a fuller history is the usual next step.

The band label is read against the WHO and USPSTF reference ranges, not against a personal drinking goal. The age context only adds the relevant NIAAA risky-use line, so the AUDIT-C score itself stays comparable across age groups.

If the result lands in the high-risk band, the tool points toward a fuller assessment rather than a label. A brief intervention, a fuller AUDIT, or a referral to treatment are the typical next steps.

According to USPSTF, adults 18 and older, including pregnant women, should be screened for unhealthy alcohol use in primary care, and the AUDIT-C is a recommended brief screening tool.

According to NIAAA, a US standard drink contains 14 g of pure alcohol, and risky use is more than 4 drinks per day or 14 per week for men 21 to 64, or more than 3 drinks per day or 7 per week for women and for adults 65 and older.

Annual wellness screens often include the AUDIT-C alongside a lipid panel, and the Cholesterol Ratio Calculator handles the cholesterol side of that annual review.