Health & Fitness Calculators

Alcohol Units Calculator

Enter a drink's volume and ABV to calculate its UK standard units and grams of pure alcohol.

UK standard units

2.50

Pure alcohol

19.7 g

UK units = volume (ml) × ABV (%) ÷ 1000. This measures alcohol content, not blood alcohol concentration — use the BAC estimator for that.

How to use this tool

  1. 1Enter the drink's volume in milliliters.
  2. 2Enter its ABV percentage.
  3. 3See the standard units and grams of pure alcohol.

Frequently asked questions

How is this different from the BAC estimator?+

This measures how much alcohol is in a drink; the BAC estimator uses that kind of intake data plus body weight and time to estimate blood alcohol concentration.