Alcohol Units Calculator

Standard drinks from volume and ABV

Enter drink size and alcohol by volume (ABV). Choose UK units, US standard drinks, or AU/NZ standard drinks. Add quantity for a session total.

Standard

Volume (ml)

Volume (US fl oz)

ABV (%)

Number of drinks

Per drink —

Session total —

UK: units = ml × ABV ÷ 1000. US: drinks = fl oz × ABV ÷ 60 (0.6 fl oz pure alcohol per drink). AU/NZ: drinks = ml × ABV × 0.789 ÷ 1000 (10 g ethanol per drink).

For guidance only. Lower-risk drinking limits vary by country, sex, and health — follow local health advice.