Standard Drink Calculator

Convert drink size and ABV into standard-drink equivalents based on the selected country's ethanol-per-drink definition.

Standard drinks

1.00

Ethanol amount

14.0 g ethanol

Current country standard

14 g ethanol per standard drink

How this is calculated

Ethanol grams = volume (mL) × ABV fraction × 0.789, where 0.789 g/mL is ethanol density at room temperature. Standard drinks are ethanol grams divided by the selected country's definition.

Neutral note: this calculator is informational only and is not medical, legal, or driving-safety advice.