Cm to Inches Converter
Enter a value in centimeters to convert it to inches — 1 cm = 0.3937 in.
Reviewed by the ToolNestr Editorial Team — July 2026
How to convert centimeters to inches
Converting centimeters to inches is a simple multiplication: take your length in centimeters and multiply by the fixed conversion factor of 0.3937007874 to get inches. Because the factor never changes, the same calculation works for any value, from tiny amounts to very large ones. The converter above applies it the moment you type, with no rounding errors in the underlying maths.
Perfect for screen sizes, clothing measurements and DIY when a metric length needs to be read in inches. Knowing how to move between centimeters and inches is useful whenever measurements are given in one system but you need them in the other — for shopping, travel, study, cooking, engineering or simply comparing figures from different countries.
The reference table below lists common centimeters values already converted to inches, so you can read off everyday amounts at a glance without typing. For the opposite direction, use the Inches to Cm Converter, which reverses the calculation exactly.
The formula and a worked example
Formula
in = cm × 0.3937007874
Worked example
To convert 10 centimeters: 10 × 0.3937007874 = 3.937 in. To convert 25 centimeters: 25 × 0.3937007874 = 9.8425 in.
Cm to Inches conversion table
| Centimeters (cm) | Inches (in) |
|---|---|
| 1 | 0.3937 |
| 2 | 0.7874 |
| 5 | 1.9685 |
| 10 | 3.937 |
| 25 | 9.8425 |
| 50 | 19.685 |
| 100 | 39.3701 |
| 250 | 98.4252 |
| 500 | 196.8504 |
| 1,000 | 393.7008 |
Values are rounded for display; the converter above keeps full precision.
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Frequently asked questions
How do I convert centimeters to inches?
Multiply the number of centimeters by 0.3937007874. For example, 10 cm × 0.3937007874 = 3.937 in. The converter above does this automatically.
How many inches are in one centimeters?
There are 0.3937 inches in one centimeters. Multiply by 0.3937007874 for any amount.
Is this Cm to Inches converter accurate?
Yes. It uses the exact conversion factor of 0.3937007874, so results are precise. Values shown in the table are rounded for readability.
How do I convert inches back to centimeters?
Use our Inches to Cm Converter for the reverse direction, or divide the inches value by 0.3937007874.