To convert liters to quarts, you can use the conversion factor: 1 liter is approximately equal to 1.056688 quarts.
To convert 14 liters to quarts:
\[ 14 , \text{liters} \times 1.056688 , \text{quarts/liter} \approx 14.790832 , \text{quarts} \]
Rounding this to the nearest tenth:
\[ 14.8 , \text{quarts} \]
Therefore, 14 liters is approximately 14.8 quarts.