Understanding alcohol units

This page pulls together information on alcohol units, including helpful explainers and our handy unit calculator.

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Unit calculator

Use the unit calculator to find out how many units are in a particular drink, or to check how much you're drinking.
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Alcohol units

Find out more about alcohol units, including our helpful video explainer.
Two men at a bar with empty glasses about to drink from two beer bottles provided by a barman.
What is a unit of alcohol? Your guide

November 2025 |

Units are the standardised way in which we measure alcohol in the UK.

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