How many millimeters are there in a meter? Use this online tool to quickly **convert from decimeters to millimeters (dm to mm)** and vice versa.

**Read: Decimeters to Centimeters – Convert dm to cm Online**

## How Many Millimeters in a Decimeter?

**There are 100 millimeters in a decimeter.** This is because the prefix “deci-” in the metric system denotes a factor of 10, and “milli-” denotes a factor of 1000. Therefore, 1 decimeter is equal to 10 centimeters, and 1 centimeter is equal to 10 millimeters, resulting in 100 millimeters in 1 decimeter.

## Difference Between Decimeters and Millimeters

The key differences between decimeters and millimeters are as follows:

**Scale:**- Decimeters are larger units of length, with 1 decimeter equal to 10 centimeters or 100 millimeters.
- Millimeters are smaller units of length, with 1 millimeter being 1/10th of a centimeter or 1/100th of a decimeter.

**Typical Use:**- Decimeters are often used for measuring lengths that are larger than centimeters but smaller than meters, such as the dimensions of smaller objects or in some engineering applications.
- Millimeters are commonly used for very precise measurements, especially in fields like engineering, manufacturing, and construction where high precision is required.

**Conversion**:- 1 decimeter = 100 millimeters
- To convert from decimeters to millimeters, you would multiply the number of decimeters by 100.
- To convert from millimeters to decimeters, you would divide the number of millimeters by 100.

## How to Convert Decimeters to Millimeters?

To convert from decimeters to millimeters, you can use the following conversion factor:

**1 decimeter (dm) = 100 millimeters (mm)**

So, to convert decimeters to millimeters, you multiply the number of decimeters by 100.

The conversion formula is: [ Millimeters = Decimeters \100 ]

For example:

- 5 decimeters = 5 * 100 = 500 millimeters
- 7.5 decimeters = 7.5 * 100 = 750 millimeters

So, simply multiply the number of decimeters by 100 to obtain the equivalent measurement in millimeters.

## Decimeters to Millimeters (dm to mm) Conversion Table

Here is a table showing the conversion from decimeters to millimeters for the specified ranges and intervals:

Decimeters (dm) | Millimeters (mm) |
---|---|

1 | 100 |

2 | 200 |

3 | 300 |

4 | 400 |

5 | 500 |

6 | 600 |

7 | 700 |

8 | 800 |

9 | 900 |

10 | 1000 |

20 | 2000 |

30 | 3000 |

40 | 4000 |

50 | 5000 |

60 | 6000 |

70 | 7000 |

80 | 8000 |

90 | 9000 |

100 | 10000 |

200 | 20000 |

300 | 30000 |

400 | 40000 |

500 | 50000 |

600 | 60000 |

700 | 70000 |

800 | 80000 |

900 | 90000 |

1000 | 100000 |

To convert decimeters to millimeters, you multiply the number of decimeters by 100, as there are 100 millimeters in a decimeter.

#### References:

#### Link to this Page

If you'd like to cite the online calculator on the page, you can use the following citation: Keith Woods, "*Decimeters to Millimeters – Convert dm to mm Online*", Available at: https://robocalculator.com/convert/decimeters-to-millimeters/ URL, Accessed Date: [ April 15, 2024 ]