# Inches to Centimeters Converter

Use this inches to centimeters converter to easily convert between Inches and Centimeters (in to cm).

*Quick navigation:*

- How many Centimeters in one Inch?
- Difference between Inches and Centimeters
- How to convert Inches to Centimeters
- in to cm conversion table

* * How many Centimeters in one Inch?

According to the International System of Units there are exactly **2.54 centimeters in one inch**. Both the centimeter and the inch are used to measure length, but while the former is used in most countries in the world, the inch is used in a couple of countries that still follow the imperial system of measurements, which also includes the foot, yard, mile, etc. Both units are of comparable magnitude, so they are used to measure similarly-sized objects or where similar precision is required.

The symbol of centimeters is "cm", while for inch it is "in", or sometimes double quotes, e.g. 10" means 10 inches. You can use our in to cm converter to verify how many centimeters fit correspond to one inch.

* * Difference between Inches and Centimeters

The inch is an old unit, used for the first time sometime in the 7

The centimeter is derived from the base measurement unit established by the International Organization for Standardization – the meter. Its prefix 'centi' indicates that it is 1/100 of a meter. Therefore, the cm can be defined as being equal to the path length that light travels in vacuum in 1/29,979,245,800 of a second. A centimeter is equal to precisely 0.3937 of an inch, or 3887/9873 as a fraction. Centimeters are used when relatively good precision is required: in construction, engineering, architecture, and for certain scientific purposes. One will often themselves using an inch to cm converter if they engage in these disciplines on a worldwide scope.

Most rulers have both cm and in, featured on opposite sides.

* * How to convert Inches to Centimeters

Converting inches to centimeters is easy, as all you need to do is multiply by 2.54, or use our converter above. See the examples and the conversion table below for some common in to cm conversions.

#### Inches to cm conversion example

Sample task: * convert 12 inches to centimeters*. Solution:

*Formula:*

in * 2.54 = cm

*Calculation:*

12 in * 2.54 = 30.48 cm

*End result:*

12 in is equal to 30.48 cm

* * in to cm conversion table

in | cm |
---|---|

1 in | 2.54 cm |

2 in | 5.08 cm |

3 in | 7.62 cm |

4 in | 10.16 cm |

5 in | 12.70 cm |

6 in | 15.24 cm |

7 in | 17.78 cm |

8 in | 20.32 cm |

9 in | 22.86 cm |

10 in | 25.40 cm |

20 in | 50.80 cm |

30 in | 76.20 cm |

40 in | 101.60 cm |

50 in | 127 cm |

60 in | 152.40 cm |

70 in | 177.80 cm |

80 in | 203.20 cm |

90 in | 228.60 cm |

100 in | 254 cm |

200 in | 508 cm |

300 in | 762 cm |

400 in | 1,016 cm |

500 in | 1,270 cm |

600 in | 1,524 cm |

700 in | 1,778 cm |

800 in | 2,032 cm |

900 in | 2,286 cm |

1,000 in | 2,540 cm |

You may want to print and use this table offline if our online inches to centimeters converter is not accessible to you at any point in time.

* * References

[1] NIST Special Publication 330 (2008) - "The International System of Units (SI)", edited by Barry N.Taylor and Ambler Thompson

[2] International Organization for Standardization (1993). ISO Standards Handbook: Quantities and units (3rd edition). Geneva: ISO. ISBN 92-67-10185-4.

#### Cite this converter & page

If you'd like to cite this online converter resource and information as provided on the page, you can use the following citation:

Georgiev G.Z., *"Inches to cm Converter"*, [online] Available at: https://www.gigacalculator.com/converters/convert-in-to-cm-inches-to-centimeters.php URL [Accessed Date: 29 May, 2022].

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