Convert cm to inches
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What is cm?
The cm is a unit of measurement used across various fields. Understanding this unit and its relationship to inches is essential for accurate conversions in science, engineering, cooking, and everyday life. The centimeter is one hundredth of a meter (0.01 m). It is commonly used for body measurements, clothing sizes, and small object dimensions worldwide.
What is inches?
The inch equals exactly 25.4 millimeters. It is used for screen sizes, paper sizes, and precision measurements in English-speaking countries.
Conversion Formula
inches = cm × 0.393701
Examples:
- 1 cm = 0.3937 inches
- 10 cm = 3.937 inches
- 100 cm = 39.3701 inches
Conversion Table
| cm | inches |
|---|---|
| 1 cm | 0.3937 inches |
| 5 cm | 1.9685 inches |
| 10 cm | 3.937 inches |
| 25 cm | 9.8425 inches |
| 50 cm | 19.6851 inches |
| 100 cm | 39.3701 inches |
| 250 cm | 98.4253 inches |
| 500 cm | 196.8505 inches |
| 1000 cm | 393.701 inches |
Reverse Conversion
Need to convert the other way? Use our inches to cm converter.
Official Sources & References
Our conversion data is based on internationally recognized standards:
- NIST Official Conversions
- BIPM — SI Units
- Wikipedia — Metric System
- Wikipedia — Imperial Units
- Metric Conversions Reference
This converter is for informational and educational purposes only. Always verify critical measurements with official standards.