Six ounces is the equivalent of 3/4 cup. Eight ounces equals 1 cup. Cups and ounces are U.S. customary units of volume based on the imperial system of measurement.
Also equal to 3/4 cup are 12 tablespoons and 36 teaspoons. U.S. customary units are used for most recipes in the United States. The International System of Units, or the metric system, is used for most recipes in other industrialized nations. Examples of units of volume in this system are the liter and the milliliter. To convert 3/4 cup into milliliters, use the conversion factor of 1 ounce equals 29.5735 milliliters. Six ounces (or 3/4 cup) equals 177.44 milliliters.