Centimeters to Inches Converter
Centimeters and inches are the everyday rulers of two measurement worlds: the metric system used almost everywhere, and the imperial system still standard in the United States. Converting centimeters to inches comes up constantly — reading a European clothing size, checking a TV screen advertised in inches, or following a DIY plan from an American website. The conversion is exact and simple: 1 inch is defined as exactly 2.54 centimeters, so 1 centimeter equals 0.393701 inches. Multiply any centimeter value by 0.393701 to get inches. Use the converter above for instant two-way results, browse the quick reference table for common values, or check the FAQs for worked examples.
CM to Inches Calculator
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Quick Reference Table
| Centimeters (cm) | Inches (in) |
|---|---|
| 1 | 0.3937 |
| 2 | 0.7874 |
| 3 | 1.1811 |
| 4 | 1.5748 |
| 5 | 1.9685 |
| 6 | 2.3622 |
| 7 | 2.7559 |
| 8 | 3.1496 |
| 9 | 3.5433 |
| 10 | 3.937 |
| 25 | 9.8425 |
| 50 | 19.685 |
| 100 | 39.3701 |
| 500 | 196.8504 |
Frequently Asked Questions
How many inches are in 10 centimeters?
10 centimeters = 3.937 inches. Just apply the conversion to any value with the converter above.
What is the formula to convert centimeters to inches?
To convert centimeters to inches, multiply the number of centimeters by 0.393701. In short: 1 cm = 0.393701 in.
Is 1 inch exactly 2.54 cm?
Yes. Since the 1959 international yard and pound agreement, the inch has been defined as exactly 2.54 centimeters — not approximately. That is why the centimeter-to-inch factor 0.3937007874 is exact to the precision shown, and why conversions between the two never drift or round inconsistently.
How do I convert inches back to centimeters?
Simply reverse the math: to go from inches to centimeters, divide the inches by 0.393701. Or use our dedicated Inches to Centimeters converter.