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Alcohol by volume (abbreviated as alc/vol or ABV) is a standard measure of the volume of alcohol contained in a given volume of an alcoholic beverage, expressed as a volume percent. [ 1 ] [ 2 ] [ 3 ] It is defined as the number of millilitres (mL) of pure ethanol present in 100 mL (3.5 imp fl oz; 3.4 US fl oz) of solution at 20 °C (68 °F).
Ethanol is a 2-carbon alcohol. Its molecular formula is CH 3 CH 2 OH. ... For 20% alcohol by mass (about 25% by volume), this will occur at about 25 °C (77 °F).
It is possible to calculate the pure alcohol mass in a serving from the concentration, density of alcohol, and volume: = For example, a 350 ml (12 US fl oz) glass of beer with an ABV of 5.5% contains 19.25 ml of pure alcohol, which has a density of 0.78945 g/mL (at 20 °C), [ 29 ] and therefore a mass of 15.20 grams (0.536 oz).
Alcohol measurements are units of measurement for determining amounts of beverage alcohol.Alcohol concentration in beverages is commonly expressed as alcohol by volume (ABV), ranging from less than 0.1% in fruit juices to up to 98% in rare cases of spirits.
Uses formula = + Density of ethanol at various temperatures ... Mass fraction, % Volume concentration, % Mass concentration, g/(100 ml) at 15.56 °C Density ...
Four Loko's seltzers have the highest alcohol content at 12% with Mighty Swell next at 5%. Michelob Ultra and Press spiked seltzer are both 4% ABV. Michelob Ultra has a line of organic hard seltzers.
OIML's International Recommendation No. 22 (1973) [6] provides standards for measuring alcohol strength by volume and by mass. A preference for one method over the other is not stated in the document, but if alcohol strength by volume is used, it must be expressed as a percentage of total volume at a temperature of 20 °C (68 °F).
Binge drinking is defined as the amount of alcohol it takes to raise a person’s blood-alcohol concentration level to 0.08, the legal definition of being intoxicated in most states.