How to convert inches into centimeters: One inch=2.54 cenimeters, so multiply the length value by 2.54, so here I have two inches, so I'd multiply 2.54 by two. (2*2.54=5.08≈5)
Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)