How do you convert inch to centimeter?
To convert inches to centimeters, multiply the value by the conversion factor 2.54. In this tool, 1 inch equals 2.54 centimeter.
Convert inches to cm
Convert inches (in) to centimeters (cm) instantly with accurate results, reverse conversion, and a quick reference table.
Inch to Centimeter formula
Main formula: 1 inch = 2.54 centimeter
Reverse formula: 1 centimeter = 0.393700787402 inch
Use the swap button to move between both directions without retyping the number.
Inch
Definition: An inch (symbol: in) is a unit of length in the imperial and US customary systems equal to 1/12 of a foot.
History/origin: The inch has long been used in English measurement systems and was standardized internationally at 25.4 millimeters.
Current use: Inches are often used for screens, pipe sizes, product dimensions, and small construction measurements.
Centimeter
Definition: A centimeter (symbol: cm) is a metric unit of length equal to one-hundredth of a meter.
History/origin: The centimeter comes from the metric system, where the prefix "centi" means one-hundredth.
Current use: Centimeters are commonly used for body measurements, furniture dimensions, packaging sizes, and classroom scale measurements.
Inch to Centimeter conversion table
| Inch [in] | Centimeter [cm] |
|---|---|
| 0.01 in | 0.0254 cm |
| 0.1 in | 0.254 cm |
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
| 1,000 in | 2,540 cm |
Convert inches to cm FAQs
What is 1 inch in centimeters?
1 inch is equal to 2.54 centimeters. This page updates the result instantly when you type a number into the converter box.
What is the reverse conversion from centimeter to inch?
The reverse conversion is also available. 1 centimeter equals 0.393700787402 inches, and you can use the swap arrows to flip the calculator instantly.
Can this inches to cm converter handle decimals and negative values?
Yes. The calculator accepts whole numbers, decimals, and negative values. It also checks for invalid text input and shows a validation message if the entry is not a valid number.
Is this inches to cm converter free to use?
Yes. This online converter is free to use and works in the browser. You can convert, clear the fields, and use the swap button without installing anything.