# 4 Centimeters to Millimeters Conversion

Learn how to convert Metric length units of 4 cm to mm (4 Centimeters to Millimeters) fast and easily!

For the fastest and most accurate conversions, try the Centimeters to Millimeters Conversion Calculator below or keep reading to learn how to convert these units yourself.

## What is 4 cm to mm (4 Centimeters to Millimeters)?

**4 Centimeters Equals 40 Millimeters**

**4 cm = 40 mm **

## Conversion Calculator

## How to Convert 4 cm to mm (Centimeters to Millimeters)

Converting Centimeters to Millimeters is as easy as multiplying by 10! See the conversion equation and example below to learn and start converting these units of length today.

### Find out how to convert from Centimeters to Millimeters here

#### Conversion Equation:

How to convert units from cm to mm? all you have to do is multiply the centimeter units by 10 to get millimeter units.

##### cm to mm calculation:

- Conversion factor:

** 1 cm x 10 = 10 mm **

- 4 cm to mm Conversion Equation

**4 cm x 10 = 40 mm **

### How to Convert mm to cm

Conversely, converting from mm to cm is also very easy. All you have to do is divide your mm units by 10 to get cm.

##### mm to cm calculation:

- Conversion factor:

** 1 mm ÷ 10 = 0.1 cm **

- 4 cm to feet Conversion Equation

**4 mm ÷ 10 = 0.4 cm**

## Fast Centimeter to Millimeter Conversion Table

## Common Centimeter to Millimeter Conversions

Centimeter |
Millimeter |
Centimeter |
Millimeter |

0.5 cm | 5 mm | 6.3 cm | 63 mm |

1 cm | 10 mm | 6.5 cm | 65 mm |

1.5 cm | 15 mm | 7 cm | 70 mm |

2 cm | 20 mm | 7.5 cm | 75 mm |

2.5 cm | 25 mm | 8 cm | 80 mm |

3 cm | 30 mm | 10 cm | 100 mm |

4 cm | 40 mm | 12 cm | 120 mm |

5 cm | 50 mm | 15 cm | 150 mm |

5.5 cm | 55 mm | 16 cm | 160 mm |

6 cm | 60 mm | 160 cm | 1600 mm |

## 4 Centimeters Converted to Other Units of Length

Now that you have converted Centimeters to Millimeters you may want to convert them to other units. Here are some useful 4 cm length conversions

Unit |
4 Centimeters (cm) = |

Inch (in) | 1.575 in |

Feet (ft) | 0.131 ft |

Yard (yd) | 0.044 yd |

Micrometer (um) | 40,000 um |

Meter (m) | 0.04 m |

## What are Centimeters and Millimeters?

### What is a Centimeter (cm)?

A centimeter is a unit of length within The International System of Units (SI) that represents one hundredth (1/100) of a meter. This means a centimeter is equal to 0.01 of a meter. The prefix ‘centi’ itself means one hundredth. The cm is a unit of measurement in the Metric System of Measurement.

Centimeters, or also commonly spelled centimetres, are mainly used in science and medicine since SI units are the standardized form of measurements.

Metric rulers are measured in SI units, and they usually have around 30 centimeters which are shown as large tick marks. To get a visual understanding of how long 1cm is, you can imagine 1 cm as the length of a staple, the thickness of a standard pencil, or the radius (half the diameter) of a US penny.

Centimeter can be abbreviated as “cm.” For instance, 4 centimeter can also be written as 4 cm.

Check out the dictionary definition for Centimeters here.

### What is a Millimeter (mm)?

A Millimeter (also spelled Millimetre) is a small base unit of length or distance in the Metric System of Measurement and the Standard Units of Measurement (SI).

A millimeter is equal to one thousandth of a meter or ten centimeters. They are often the smallest unit of measurement on the common ruler.

The millimeter and the centimeter are both derived from the base length unit of the meter.

The abbreviation for a millimeter is “mm”. For instance, 4 millimeters can be written as 4 mm.

Check out the Millimeter Wiki page here for more information.