9 cm to inches

Use our free conversion calculator to quickly convert 9 cm to inches and inches to centimeters. The calculator will provide you with the correct conversion after you enter the value you wish to convert.

CM to Inches Converter

CM to Inches Converter

What is a cm and inches?

Cm To Inches


A centimeter is a metric unit of length. It’s abbreviated as “cm”. Centimeters are smaller than inches. To give you an idea, one centimeter is roughly equal to the width of a small paper clip or about the width of your pinky finger at the first knuckle. Centimeters are commonly used in many countries around the world as part of the metric system, which is based on units of ten.


On the other hand, inches are part of the imperial system of measurement used primarily in the United States and a few other countries. An inch is denoted by the symbol “in” or double prime (“). It’s larger than a centimeter.

To visualize, one inch is approximately the width of your thumb at the knuckle or about the length of a quarter in diameter. Inches are often used in construction, woodworking, and everyday measurements in countries that follow the imperial system.

While both centimeters and inches are used to measure length, they belong to different systems of measurement and have different scales. However, they can be converted into each other using conversion factors if needed.

What size is 9 cm in Inches?

9 cm is equal to 3.54330 inches when converted. To convert with ease use our calculator converter for free and you are not only limited to converting 9 cm to inches, but you can also convert any other numbers and vice versa.

Practical formula

To convert centimeters to inches, we use the conversion factor that there are 2.54 centimeters in one inch. So, we divide the number of centimeters by 2.54 to get the equivalent length in inches.

For example, to convert 9 centimeters to inches:

Inches = 9 / 2.54 = 3.54330 inches

This means that 9 centimeters is approximately equal to 3.54330 inches when calculated.