Inch (in):
The inch (in) is a unit in the imperial and U.S. customary systems—one inch is exactly 2.54 centimeters. It’s the standard for describing screen sizes, hardware, clothing measurements in some contexts, and many common household dimensions. Twelve inches make a foot, which is heavily used in construction and daily life in the U.S.
Centimeter (cm):
The centimeter (cm) is a handy metric unit for everyday measurements. You’ll see it used for clothing sizes, school measurements, medical records (like height), and many DIY tasks around the home.
How to convert inches to centimeters
Option 1: The fastest way – Use our converter
For instant results, just type your measurement into the in to cm converter at the top of this page. It's quick, accurate, and hassle-free.
Option 2: The diy way – Use the formula
If you prefer to calculate it yourself, it's straightforward. You only need to remember one number: 2.54. This is because one inch is internationally defined as exactly 2.54 centimeter.
The formula is simple:Centimeters = Inches × 2.54
Here's how to do it:
Take your measurement in inches.
Multiply that number by 2.54.
The answer is the measurement in centimeters.
Example: Let's convert 10 in to cm.
Calculate: 10 × 2.54 = 25.4
Result: equals 25.4 cm
It's really that easy.