Convert cm to inches
Please provide values below to convert centimeter [cm] to inch [in], or vice versa.
Centimeter
Definition: A centimeter (cm) is a unit of length in the International System of Units (SI), the modern form of the metric system. It is defined as one-hundredth (1/100) of a meter.
Origin: The centimeter is derived from the SI unit meter, with the prefix "centi-" signifying one-hundredth. Metric units use prefixes that range from 10-18 to 1018, making conversions straightforward. Common prefixes include kilo-, mega-, giga-, tera-, centi-, milli-, micro-, and nano-, which help in navigating metric measurements efficiently.
Usage: The centimeter is widely used in metric-based countries for various applications where a smaller unit than a meter is needed. For instance, height measurements outside the United States are typically given in centimeters.
Inch
Definition: An inch (in) is a unit of length in the imperial and US customary measurement systems. Since 1959, an inch has been precisely defined as 25.4 millimeters. There are 12 inches in a foot and 36 inches in a yard.
Origin: The term "inch" comes from the Latin word "uncia," which means "one-twelfth" of a Roman foot. Over time, different standards for defining an inch have existed. One of the earliest definitions was based on the length of three barley grains placed end to end. Another interpretation was derived from the average width of three human thumbs: one small, one medium, and one large.
Usage: The inch is predominantly used in the United States, Canada, and the United Kingdom. It is also occasionally used in Japan and other countries, especially for measuring electronic components such as display screens.
Centimeter to Inch Conversion Table
| Centimeter [cm] | Inch [in] |
|---|---|
| 0.01 cm | 0.0039370079 in |
| 0.1 cm | 0.0393700787 in |
| 1 cm | 0.3937007874 in |
| 2 cm | 0.7874015748 in |
| 3 cm | 1.1811023622 in |
| 5 cm | 1.968503937 in |
| 10 cm | 3.937007874 in |
| 20 cm | 7.874015748 in |
| 50 cm | 19.6850393701 in |
| 100 cm | 39.3700787402 in |
| 1000 cm | 393.7007874016 in |
How to Convert Centimeters to Inches
1 cm = 0.3937007874 in
1 in = 2.54 cm
Example: Converting 15 cm to inches:
15 cm × 0.3937007874 in = 5.905511811 in