Enter a length in centimeters to convert it to inches.
Centimeters and inches
Centimeters and inches are the small-scale length units that clash most often, from screen sizes to clothing to woodworking. The conversion is exact by international agreement: one inch equals exactly 2.54 centimeters.
That clean definition means there is never any rounding built into the relationship itself. Whether you are reading a product spec from another country or following a pattern, this converter moves between the two instantly in both directions.
The formula
Worked example
10 centimeters equals about 3.94 inches.
How to read your result
One inch is defined as exactly 2.54 centimeters, so this conversion is exact. Switch the units to convert inches to centimeters.
Frequently asked questions
- How many inches in a centimeter?
- About 0.3937 inches.
- Is it exact?
- Yes, one inch is exactly 2.54 cm by definition.
- Can I convert inches to cm?
- Yes, swap the units in the tool.
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