The US gallon (gal) is an imperial volume unit equal to exactly 3.7854 liters, the standard measurement for fuel, milk, and paint in the United States. Gasoline prices at American pumps are always quoted per gallon, and US vehicle fuel efficiency is measured in miles per gallon. One US gallon equals 4 US quarts or 8 US pints.

The US pint (pt) is an imperial volume unit equal to one-eighth of a US gallon or approximately 0.4732 liters, best known for sizing beer glasses and ice cream containers in America. The phrase 'a pint is a pound the world around' captures its colloquial significance, though a pint of water actually weighs about 1.043 pounds. One US pint equals exactly 16 US fluid ounces.