To convert quarts to gallons, you can use the conversion factor:
1 gallon = 4 quarts.
Therefore, to convert 1 quart to gallons, you use the relationship:
\[ 1 \text{ quart} = \frac{1}{4} \text{ gallons} \]
So, the answer is:
\[ 1 \text{ quart} = \frac{1}{4} \text{ gallons} \]