Inches to Centimeters Converter
Convert inches to centimeters instantly with our free length converter. 1 inch = 2.54 cm — type any value below and the result updates live.
Inches → Centimeters⇄ Swap: Centimeters → Inches
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Inches to Centimeters Formula
Centimeters = Inches × 2.54 (Inches = Centimeters × 0.393701)
Length conversion covers the metric units scientists and most of the world use (millimeters, centimeters, meters, kilometers) and the imperial units still standard in the United States (inches, feet, yards, miles).
Inches to Centimeters Conversion Table
| Inches | Centimeters | |
|---|---|---|
| 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 |
About Inches and Centimeters
An inch is defined as exactly 2.54 centimeters. The US customary unit for screen sizes, rainfall, and everyday small measurements.
A centimeter is one-hundredth of a meter — roughly the width of a fingernail. The everyday metric unit for small lengths.
Frequently Asked Questions
How many centimeters are in one inch?
One inch equals 2.54 centimeters. Multiply any inches value by 2.54 to convert it.
What is the formula for converting inches to centimeters?
Centimeters = Inches × 2.54. To reverse it: inches = centimeters × 0.393701.
How do I convert centimeters back to inches?
Divide the centimeters value by 2.54 (equivalently, multiply by 0.393701). Or use our centimeters-to-inches converter going the other way.
Which is bigger, a inch or a centimeter?
A inch is bigger — one inch equals 2.54 centimeters.