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Alcohol Unit Calculator

Enter drink volume, ABV, and servings to see pure alcohol grams, country-style alcohol units, calories, and an approximate processing time.

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Quick examples

local_bar

Alcohol units

5.37 units

science

Pure alcohol

53.7 g

schedule

Approx. processing time

about 6.7 h

local_fire_department

Alcohol calories

376 kcal

Standards

Standard drink definitions vary by country, so choose the comparison that matches your purpose.

Drink input

Pure alcohol: 39.5 gAlcohol units: 3.95 units
Pure alcohol: 14.2 gAlcohol units: 1.42 units

How alcohol units are calculated

The calculator converts drink volume and ABV into pure alcohol grams, then divides the total by the selected 8g, 10g, 14g, or custom unit standard. Multiple drinks are summed and each drink share is shown.

Usage notes

  • Pure alcohol ml = drink volume ml x ABV(%) / 100 x servings
  • Pure alcohol g = pure alcohol ml x 0.789
  • Alcohol units = pure alcohol g / selected grams per unit
  • Alcohol calories are estimated as pure alcohol g x 7kcal.

Frequently asked questions

Do alcohol units vary by country?expand_more

Yes. UK units are about 8g, while a U.S. standard drink is about 14g. Pick the standard you want to compare against.

Is the processing time exact?expand_more

No. It is only a rough reference. Individual variation is large, so do not use it to judge driving readiness.

Can I calculate a full bottle?expand_more

Yes. Enter the bottle volume, ABV, and quantity, or start from a preset and edit it.

Health use notice

This tool is for general reference only and does not replace medical, nutrition, diagnostic, or treatment advice. For health decisions, confirm the result with a clinician, registered specialist, or official guidance.

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