Centimeter to Inch 转换器
Convert Centimeter (cm) to Inch (in) instantly. 1 cm = 0.393701 in.
Length转换器
31个单位可用
1 cm = 0.393701 in
公式：
in = cm × 0.3937007874With your value: 1 cm = 0.39370079 in
How big is that?
Everyday references on a logarithmic scale, all expressed in centimeter so you can sanity-check the result.
Other Centimeter to Inch conversions
Centimeter to Inch 转换表
| Centimeter (cm) | Inch (in) |
|---|---|
| 0.5 | 0.19685 |
| 1 | 0.393701 |
| 2 | 0.787402 |
| 5 | 1.968504 |
| 10 | 3.937008 |
| 15 | 5.905512 |
| 20 | 7.874016 |
| 25 | 9.84252 |
| 50 | 19.685039 |
| 100 | 39.370079 |
| 250 | 98.425197 |
| 500 | 196.850394 |
| 1000 | 393.700787 |
Inch to Centimeter 转换表
| Inch (in) | Centimeter (cm) |
|---|---|
| 0.5 | 1.27 |
| 1 | 2.54 |
| 2 | 5.08 |
| 5 | 12.7 |
| 10 | 25.4 |
| 15 | 38.1 |
| 20 | 50.8 |
| 25 | 63.5 |
| 50 | 127 |
| 100 | 254 |
| 250 | 635 |
| 500 | 1,270 |
| 1000 | 2,540 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Centimeter (cm)
Length
Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Inch (in)
Length
1 inch = 25.4 mm exactly, fixed by the 1959 international yard and pound agreement.
Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442
US, UK, Canada, Australia, New Zealand, South Africa · Reviewed 2026-07-01
How to Convert Centimeter to Inch
To convert from Centimeter (cm) to Inch (in), multiply the value by 0.3937007874.
公式： in = cm × 0.3937007874
反向： cm = in × 2.54
分步示例
- Start with your value in Centimeter. For example: 5 cm
- Multiply by the conversion factor: 5 x 0.3937007874
- The result is: 1.968504 in
关于Centimeter
The centimeter equals one hundredth of a meter. It is commonly used for everyday measurements of length.
常见用途： body measurements, clothing, furniture.
关于Inch
The inch is an imperial unit equal to 1/12 of a foot or 2.54 centimeters. It is widely used in the US and UK for small measurements.
趣味事实： The inch was historically defined as the width of a man's thumb.
常见用途： screen sizes, construction, clothing.
Frequently Asked Questions
How many Inch are in 1 Centimeter?
There are exactly 0.3937007874 Inch in 1 Centimeter. This means the conversion factor from Centimeter to Inch is 0.3937007874.
What is the formula to convert Centimeter to Inch?
The formula to convert Centimeter to Inch is: in = cm × 0.3937007874. For example, to convert 10 Centimeter to Inch, you would multiply 10 by 0.3937007874.
What is a Centimeter?
The centimeter equals one hundredth of a meter. It is commonly used for everyday measurements of length.
What is a Inch?
The inch is an imperial unit equal to 1/12 of a foot or 2.54 centimeters. It is widely used in the US and UK for small measurements.
What are the common uses of Centimeter?
The Centimeter is commonly used in body measurements, clothing, furniture.
相关Length转换
Cite this page
UnitConvertLab. (2026). Centimeter to Inch converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/centimeter-to-inch