Question: 1 1 2 gallons how many quarts?
Answer: Gallons to Quarts Conversion There are 4 quarts in a gallon. To convert gallons to quarts, multiply the gallon value by 4. For example, to find out how many quarts there are in a gallon and a half, multiply 1.5 by 4, that makes 6 quarts in a gallon and a half.