Convert inches to cm
Input the number of inches you want to convert to centimeters.
How to Convert Inches to Centimeters
The inch and centimeter are both units of length. By definition, 1 inch equals exactly 2.54 centimeters. This means to convert inches to centimeters, you multiply by 2.54.
Formula
Step-by-Step Example
Convert 5 in to centimeters:
We need to convert inches to centimeters
Since 1 in = 2.54 cm, multiply by 2.54
5 × 2.54 = 12.7
5 in = 12.7 cm
Inch to Centimeter Conversion Table
Quick reference table for common inch to centimeter conversions. Click any value for detailed calculation.
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 15 in | 38.1 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
About These Units
Inch (in)
An inch (in or ") is an imperial unit equal to 1/12 foot or exactly 2.54 centimeters. Inches measure screen sizes (TVs, monitors, phones), paper dimensions, rainfall, and small objects in the US, UK, and Canada. There are 25.4 millimeters in one inch.
Centimeter (cm)
A centimeter (cm) is a metric unit of length equal to 1/100 of a meter or 0.3937 inches. Centimeters are widely used worldwide for measuring height, body dimensions, clothing sizes, screen diagonals, and small objects. Key conversion: 1 inch = 2.54 cm exactly.
Frequently Asked Questions
How do I convert inches to centimeters?
To convert inches to centimeters, multiply the value by 2.54. For example, 10 in = 25.4 cm.
How many centimeters are in 1 inch?
1 inch equals 2.54 centimeters.
What is the formula for inches to centimeters?
The formula is: cm = in × 2.54.