1 inche is 2.54 cm so No we can calculate how many inches are 15 centimeters so;
[tex]\begin{gathered} 1\to2.54 \\ x\to15 \end{gathered}[/tex]So the equation will be:
[tex]\begin{gathered} x=\frac{1\cdot15}{2.54} \\ x=5.9 \end{gathered}[/tex]So 15 centimeters are 5.9 inches