Centimeters to Inches Converter
Two-way converter: change centimeters to inches or inches to centimeters in one step.
Type a value in either field for an instant conversion
About converting centimeters and inches
The centimeter is a metric unit of length, while the inch is used mainly in the United States and the United Kingdom. One inch equals exactly 2.54 centimeters, so conversions come up when buying electronics, clothing, or reading imperial blueprints.
To convert centimeters to inches, divide the value by 2.54. To go back from inches to centimeters, multiply the number of inches by 2.54. This converter handles both directions automatically.
Every calculation runs locally in your browser and updates instantly — nothing is uploaded, and you see the result the moment you type.
Why use this converter
Works both ways
Convert cm to inches or inches to cm by typing in either field.
Exact accuracy
Uses the official factor of 1 inch = 2.54 cm with no rounding.
No install
Runs in any browser on phone or desktop, with no sign-up required.
Frequently asked questions
How many inches are in one centimeter?
One centimeter equals about 0.3937 inches. To convert cm to inches, divide the number of centimeters by 2.54.
How many centimeters are in one inch?
One inch equals exactly 2.54 centimeters. This is the internationally agreed value.
How do I convert inches to cm?
Multiply the number of inches by 2.54. For example, 10 inches = 25.4 cm.
Why convert centimeters to inches?
Inches are commonly used for screen diagonals, clothing and shoe sizes, and in imperial manuals and drawings.
Is the converter accurate?
Yes, it uses the exact factor of 2.54 cm per inch, so the result fully matches the standard.