### Meter

**Definition:** A meter, or metre (symbol: m), is the base unit of length & distance in the International System of Units (SI). The meter is defined as the distance traveled by light in 1/299 792 458 of a second. This definition was slightly modified in 2019 to lớn reflect changes in the definition of the second.

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**History/origin:** Originally, in 1793, the meter was defined as one ten-millionth of the distance from the equator to the North Pole. This changed in 1889, when the International prototype metre was established as the length of a prototype meter bar (made of an alloy of 90% platinum & 10% iridium) measured at the melting point of ice. In 1960, the meter was again redefined, this time in terms of a certain number of wavelengths of a certain emission line of krypton-86. The current definition of the meter is effectively the same as the definition that was adopted in 1983, with slight modifications due lớn the change in definition of the second.

**Current use:** Being the SI unit of length, the meter is used worldwide in many applications such as measuring distance, height, length, width, etc. The United States is one notable exception in that it largely uses US customary units such as yards, inches, feet, and miles instead of meters in everyday use.

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### Centimeter

**Definition:** A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current size of the metric system. It is defined as 1/100 meters.

**History/origin:** A centimeter is based on the SI unit meter, and as the prefix "centi" indicates, is equal khổng lồ one hundredth of a meter. Metric prefixes range from factors of 10-18 khổng lồ 1018 based on a decimal system, with the base (in this case the meter) having no prefix and having a factor of 1. Learning some of the more commonly used metric prefixes, such as kilo-, mega-, giga-, tera-, centi-, milli-, micro-, & nano-, can be helpful for quickly navigating metric units.

**Current use:** The centimeter, like the meter, is used in all sorts of applications worldwide (in countries that have undergone metrication) in instances where a smaller denomination of the meter is required. Height is commonly measured in centimeters outside of countries lượt thích the United States.

Centimeter

### Meter lớn Centimeter Conversion Table

Meter0.01 m | 1 cm |

0.1 m | 10 cm |

1 m | 100 cm |

2 m | 200 cm |

3 m | 300 cm |

5 m | 500 cm |

10 m | 1000 cm |

20 m | 2000 cm |

50 m | 5000 cm |

100 m | 10000 cm |

1000 m | 100000 cm |

### How khổng lồ Convert Meter lớn Centimeter

1 m = 100 cm1 cm = 0.01 m