Alcohol Unit Calculator
Calculate units of alcohol in any drink from volume and ABV. Compare to UK and US health guidelines.
Units of Alcohol
1.65 units
1 UK unit = 10ml (8g) of pure alcohol. UK NHS recommends no more than 14 units per week spread over 3+ days.
📐 Formula
Units = (Volume ml × ABV%) ÷ 1000. Calories ≈ Units × 56 kcal
Frequently Asked Questions
A standard pint (568ml) of 4% beer contains 2.3 units. A stronger 5% pint contains 2.8 units. Formula: Units = (Volume ml × ABV%) ÷ 1000.
The NHS recommends no more than 14 units per week for both men and women, spread over 3 or more days. 14 units is roughly equivalent to 6 pints of average-strength beer or 10 small glasses of wine.
Alcohol contains 7 calories per gram of pure alcohol (nearly as much as fat at 9 cal/g). A pint of beer is around 180–230 calories, a glass of wine 120–160 calories, a single spirit about 55–65 calories.