A unit of liquid measure is a standard unit of measurement used to measure the volume of a liquid. The most common units of liquid measure are the pint (4 letters), quart (5 letters), gallon (6 letters), litre (5 letters) and liter (5 letters). A pint is equal to 0.47 liters, a quart is equal to 0.95 liters, a gallon is equal to 3.79 liters, a litre is equal to 1.06 quarts and a liter is equal to 1.06 quarts.