Alcohol: Glasses of Wine vs Units / Drinks RDA Female

See how your alcohol habit scales when comparing glasses of wine to units / drinks rda female. A few drinks a week can become a swimming pool of volume. See how your alcohol intake stacks up against beer kegs or even the Statue of Liberty.

Example: Alcohol

For example, consuming 1 units / drinks of alcohol per day could be equivalent to approximately 365.00 units / drinks over 1 year. Enable JavaScript to calculate with your own values and explore more comparisons!

Size My Alcohol

Size my:

My Glasses of Wine per day

Compare to / Assess

Your Habit Scale

Estimated health impact based on your inputs.

Assessment	Your Consumption vs. Guideline
Your Glasses of Wine Per Day	2
The Glasses of Wine RDA per Day	1
Your Consumption vs. Guideline	+100.0%

How It's Calculated

1. Your input: 2 Glasses of Wine per day. This is equivalent to an average of 2.0 units per day.
2. The recommended daily allowance (RDA) is 1 units per day.
3. The percentage difference is calculated as: ((Your Daily Intake - RDA) / RDA) × 100%.
4. This helps you see if your consumption is above or below health guidelines.

Why It's Important

This comparison directly measures your intake against official health guidelines. The U.S. Dietary Guidelines recommend that if alcohol is consumed, it should be in moderation—up to one drink (or unit) per day for women and up to two drinks per day for men. Your current consumption places you +100.0%% above this guideline.

Why is this important? These guidelines are not arbitrary; they are based on extensive research linking alcohol consumption levels to long-term health risks, including liver disease, heart problems, and certain cancers. Seeing a direct percentage comparison provides a clear, data-driven perspective on your habits, empowering you to make informed decisions for your health and well-being.

Do you need help with your habit? See our list of international helplines and resources.

The Science Behind It

Alcohol consumption is deeply embedded in social rituals worldwide, but its effects on the body follow well-mapped biochemical pathways. SizeMyHabit’s Alcohol Volume Calculator translates drinks into pure ethanol grams and blood-alcohol estimates—rooted in decades of pharmacological research.

1. Ethanol Absorption & Distribution

Approximately 20% of ingested ethanol is absorbed in the stomach, with the remaining 80% in the small intestine. Peak blood-alcohol concentration (BAC) typically occurs 30–90 minutes post-consumption, influenced by factors like gastric emptying and food intake.

2. Metabolism via Alcohol Dehydrogenase

In the liver, alcohol dehydrogenase (ADH) converts ethanol to acetaldehyde, which is then broken down by aldehyde dehydrogenase (ALDH) to acetate. Genetic polymorphisms in ADH and ALDH enzymes explain population-level variability in alcohol tolerance and hangover severity.

3. Blood-Alcohol Concentration & Impairment

BAC correlates with psychomotor impairment: even a BAC of 0.02% can slow reaction times, while levels above 0.08% significantly increase crash risk. Our calculator employs Widmark’s formula to estimate BAC based on body weight, sex, and drinking duration—guiding users to safer limits.

4. Chronic Effects & Health Risks

Long-term heavy drinking elevates risks for liver cirrhosis, cardiovascular disease, and certain cancers. A dose–response meta-analysis found each additional standard drink per day raises all-cause mortality by about 4%. By tracking weekly ethanol totals, users can align with guidelines recommending no more than 14 units per week for men and women.

5. Behavioral Feedback Loops

Immediate feedback on “units consumed” leverages self-regulation theory: awareness of one’s behavior promotes corrective action. Visual dashboards showing cumulative weekly intake tap into loss-aversion—nobody wants to see a bar turn red.