# Decimetre

The **decimeter** (SI symbol **dm**) is a unit of length in the metric system, equal to one tenth of a metre (the International System of Units base unit of length), ten centimetres or 3.937 inches.

Decimetre | |
---|---|

Unit system | metric |

Unit of | length |

Symbol | dm |

Conversions | |

1 dm in ... | ... is equal to ... |

SI units | 0.1 m |

imperial/US units | 0.32808 ft 3.9370 in |

Look up in Wiktionary, the free dictionary.decimeter |

The common non-SI metric unit of volume, the litre, is defined as one cubic decimetre (however, from 1901 to 1964, there was a slight difference between the two due to the litre being defined with respect to the kilogram rather than the metre).

## See also

- Metric prefix
- Deci-
- Orders of magnitude (length) § 1 decimetre
- Conversion of units, for comparison with other units of length.

## References

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