What is the density of 190 proof ethanol, according to the US Government?

Answer: The density of 190 proof ethanol is 0.81582 g/ml according the the TTB Alcohol Tax and Trade Bureau Gauging Manual Tables.

You can also use the following values to represent the density (specific gravity) of 190 proof ethanol (95% ethyl alcohol):

• 6.80 lbs/gal
• 0.816 kg/L
• 0.850 oz/fl-oz

Source: TTB Gauging Manual