To convert inches to centimeters, you can use the conversion factor where 1 inch = 2.54 centimeters.
To convert 6 inches into centimeters:
\[ 6 \text{ inches} \times 2.54 \text{ cm/inch} = 15.24 \text{ cm} \]
Therefore, the result of converting 6 inches into centimeters is:
C. 15.24 centimeters.