Alcohol Units Calculator
Calculate alcohol units (UK units) and grams from a drink's volume and ABV.
Input Data
Volume
Abv
Glasses
Results
Result
0.3
Grams
2.6
Note
330ml × 5% × 2 cups → 2.6 g alcohol ≈ 0.3 units.
At a glance:Calculate alcohol units (UK units) and grams from a drink's volume and ABV.
Formula
Grams of alcohol = volume (ml) × ABV% × 0.789 ÷ 1000.
Alcohol units = grams ÷ 8.
How to Use
- Enter the drink volume in ml and its ABV (%).
- Enter how many glasses of the same drink.
- The calculator returns total alcohol units and grams of pure alcohol.
FAQ
What is one unit?
In the UK, 1 unit = 10 ml (7.89 g) of pure alcohol. This tool approximates with ÷8.
Any health advice?
Guidelines vary by region (e.g. UK men ≤14 units/week). This tool only calculates and gives no medical advice.
How is it different from meal-calories?
meal-calories estimates calories; this tool estimates alcohol amount.
Different drinks?
Adjust the ABV: beer ~5, wine ~12, spirits ~40.
Precision?
Shows 1 decimal place for units and grams.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.