You can easily convert 1 inch into centimeters using each unit definition:
With this information, you can calculate the quantity of centimeters 1 inch is equal to.
In 1 in there are 2.54 cm.
Which is the same to say that 1 inch is 2.54 centimeters.
One inch equals to two centimeters. *Approximation
Performing the inverse calculation of the relationship between units, we obtain that 1 centimeter is 0.39370079 times 1 inch.
A centimeter is zero times one inch. *Approximation