pint vs. gallon

a liquid and also dry measure of capacity, equal to one half of a liquid and dry quart respectively, approximately 35 cubic inches (0.473 liter). : pt, pt.

a common unit of capacity in English-speaking countries, equal to four quarts, the U.S. standard gallon being equal to 231 cubic inches (3.7853 liters), and the British imperial gallon to 277.42 cubic inches (4.546 liters). : gal.