This math topic focuses on converting customary volume units with decimals. Specifically, it tests the ability to convert measurements among fluid ounces, cups, pints, quarts, and gallons. Each problem provides a different starting unit and volume, and multiple-choice answers are available, requiring the application of conversion factors to determine the correct result. This topic builds foundational skills in measurement conversions within the customary system, necessary for everyday and academic applications in fields involving volume calculations.