CM to Inches (cm to in) Converter
Instantly convert between centimeters (cm) and inches (in).
How to Use the CM to Inches Converter
- Enter a Value: Type a length into either the 'Centimeters' or 'Inches' box to start.
- View Instant Conversion: The other box will update with the converted value automatically as you type.
- Swap Units: Click the swap button () to easily switch the conversion direction from cm-to-inches to inches-to-cm and vice versa.
- Use the Table: For quick reference, a chart with common conversions is displayed below the main calculator.
Understanding Centimeters and Inches
The centimeter (cm) and the inch (in) are common units of length in two different systems of measurement. The centimeter is a fundamental unit in the Metric system, which is used globally for most scientific and standard applications. It is defined as 1/100th of a meter. The inch is a primary unit of length in the Imperial and United States customary systems. It is often used for measuring screen sizes, clothing, and body height in countries like the USA. Being able to convert between these two units is extremely useful for a wide range of tasks, from international e-commerce and DIY projects to scientific and engineering work. This tool provides a seamless way to perform these conversions instantly, helping you bridge the gap between the two most prevalent measurement systems in the world and ensuring you always have the right measurement for your needs.
Conversion Formulas
- To convert centimeters to inches, the formula is: Inches = Centimeters × 0.393701.
- To convert inches to centimeters, the formula is: Centimeters = Inches × 2.54. This is the exact definition of an inch.