One ounce has an equivalent of 1/8 cup, 2 tablespoons or 28.3 grams when measuring dry ingredients. When measuring liquid ingredients, 1 ounce is equivalent to 2 tablespoons or 30 milliliters. By mass, 1 ounce measures 30 grams.
The term "ounce" is often abbreviated as "fl. oz.," which stands for fluid ounce, and is used in American measuring systems to measure liquids only. In British systems of measurement, an ounce can be used for both liquid and dry measurements.Learn more about Measurements