How do you convert gallons to quarts?

To convert gallons to quarts, you need to understand the relationship between these two units of measurement. One gallon is equivalent to four quarts. Therefore, to convert gallons to quarts, you multiply the number of gallons by 4.

In this case, if you have 1 gallon, you would perform the calculation:

1 gallon × 4 quarts/gallon = 4 quarts.

This shows that each gallon contains four quarts, making multiplication by 4 the correct conversion method. Hence, the correct answer is to multiply by 4, which is the fundamental operation needed to convert gallons into quarts accurately.