What is a quarter cup?

A quarter cup is a measurement of volume commonly used in cooking and baking. It is equal to 4 tablespoons or 2 fluid ounces. A quarter cup is typically used to measure small amounts of dry or liquid ingredients such as flour, sugar, milk, or oil. It is also equivalent to half of a half cup or one-fourth of a cup. Quarter cups are often marked on measuring cups and spoons for easy reference.