To convert cups to deciliters, we first need to know the conversion factor.
1 cup is approximately equal to 2.37 deciliters.
To find out how many deciliters are in 5 cups, we can use the following calculation:
\[ 5 \text{ cups} \times 2.37 \text{ deciliters/cup} = 11.85 \text{ deciliters} \]
Therefore, the answer is 11.85 deciliters.