Inches to CM Converter
Convert length between Inches (in) and Centimeters (cm) instantly. Enter a value in either field below and the converter will update automatically — no need to press a button.
What is an Inch?
An inch is a unit of length in the imperial system, primarily used in the United States and the United Kingdom. It is commonly used for screen sizes, height measurements, and precise dimensions in woodworking and manufacturing.
What is a Centimeter?
A centimeter is a unit of length in the metric system, equal to one-hundredth of a meter. It is widely used across most of the world for measuring everyday objects, clothing sizes, and small distances.
Inches to CM Formula
To convert Inches to Centimeters, multiply the inch value by 2.54:
To convert Centimeters back to Inches, divide by 2.54:
Common Uses
- Converting US screen sizes (TVs, laptops, phones) to cm
- Converting height from feet/inches to cm
- Clothing and shoe size conversions
- Furniture and luggage dimensions for international shipping
- Comparing product sizes between US and metric listings
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Frequently Asked Questions
How many cm is 1 inch?
1 inch equals exactly 2.54 centimeters.
How do I convert a 65-inch TV size to cm?
Multiply 65 by 2.54, which gives approximately 165.1 cm for the diagonal screen size.
Is the inch to cm conversion exact?
Yes. 1 inch is officially defined as exactly 2.54 cm, so this conversion is precise with no rounding required in the formula itself.