This length unit converter dynamically calculates a value you enter in **centimeters (cm)** and converts it to its equivalent value in **inches (in)**.

**How many centimeters (cm) are in 1 inch (in)?**

There are **2.54 centimeters (cm)** in **1 inch (in)**. This means that one inch is equal to 2.54 centimeters.

**What is the formula for how to convert centimeters (cm) to inches (in)?**

To convert centimeters (cm) to inches (in), you can use the following formula:

inches (in) = centimeters (cm) / 2.54

For example, if you have a length of 10 centimeters and you want to convert it to inches, you would use the formula as follows:

inches (in) = 10 centimeters (cm) / 2.54

So, 10 centimeters are approximately equal to 3.937 inches.

**Centimeters (cm) to inches (in) conversion chart**

Here is a conversion chart that shows common values of centimeters and their equivalent measurements in inches (rounded off to 2 decimal places):

Centimeters (cm) | Inches (in) |
---|---|

1 cm | 0.39 in |

2 cm | 0.79 in |

3 cm | 1.18 in |

4 cm | 1.57 in |

5 cm | 1.97 in |

6 cm | 2.36 in |

7 cm | 2.76 in |

8 cm | 3.15 in |

9 cm | 3.54 in |

10 cm | 3.94 in |

20 cm | 7.87 in |

30 cm | 11.81 in |

40 cm | 15.75 in |

50 cm | 19.69 in |

60 cm | 23.62 in |

70 cm | 27.56 in |

80 cm | 31.5 in |

90 cm | 35.43 in |

100 cm | 39.37 in |

This chart can be helpful when you need to quickly convert centimeter measurements to inches.

**Conversion of 1 centimeter (cm) to other units of length**

Converting 1 centimeter (cm) to other common measurement units of length gives us the following results:

- 1 centimeter (cm) = 10,000,000 nanometers (nm)
- 1 centimeter (cm) = 10,000 microns (µm)
- 1 centimeter (cm) = 100 millimeters (mm)
- 1 centimeter (cm) = 0.1 decimeters (dm)
- 1 centimeter (cm) = 0.01 meters (m)
- 1 centimeter (cm) = 0.00001 kilometers (km)
- 1 centimeter (cm) ≈ 0.3937 inches (in)
- 1 centimeter (cm) ≈ 0.0328 feet (ft)
- 1 centimeter (cm) ≈ 0.0109 yards (yd)
- 1 centimeter (cm) ≈ 0.00000621 miles (mi)
- 1 centimeter (cm) ≈ 0.00000539 nautical miles (nmi)

**What is a centimeter (cm)?**

A centimeter (cm) is a unit of length in the International System of Units (SI), which is the successor to the metric system. It is equal to one one-hundredth of a meter, ten millimeters, or 0.3937 inches. The metric system, including the centimeter, is widely used globally and is based on powers of 10, providing a convenient and consistent framework for measurements.

The centimeter was first defined in 1795 as part of the original metric system. It was originally called a “centime”, but the name was changed to “centimeter” in 1875. The metric system is a decimal-based system of measurement that is used by most countries in the world.

To provide a sense of scale, consider that the width of a standard paperclip is approximately 1 centimeter, and the average length of a newborn baby’s fingernail is about 0.5 centimeters.

**What is an inch (in)?**

An inch (in) is a unit of length in the imperial and U.S. customary systems of measurement, which is a system of measurement that is based on the human body and everyday objects. One inch is defined as exactly 2.54 centimeters or one-twelfth of a foot.

The inch was first defined in the 13th century as a measure of the width of a thumb. It has been used in England since the 14th century and in the United States since the 18th century. The imperial and customary system is still used in the United States and some other countries, but it is being increasingly replaced by the metric system.

To provide a sense of scale, an average adult thumb is about 1 inch wide, and a standard sheet of printer paper is approximately 8.5 inches by 11 inches.

Understanding the conversion from centimeters to inches is essential when dealing with measurements in different systems, and it is particularly useful in various fields such as construction, design, and manufacturing. The conversion factor of 2.54 allows for accurate transformations between these units of length.