What is a standard drink
A standard drink is any drink containing 10 grams of alcohol. One standard drink always contains the same amount of alcohol regardless of container size or alcohol type, that is beer, wine, or spirit. A standard drink is a unit of measurement.
Measurement of a standard drink
The formula for calculating standard drinks is:
Volume of Container in Litres multiplied by the percentage of alcohol volume multiplied by 0.789, equals the number of standard drinks
0.789 is the specific gravity of ethyl alcohol
Volume of Container in Litres multiplied by the percentage of alcohol volume multiplied by 0.789, equals the number of standard drinks
0.789 is the specific gravity of ethyl alcohol