# Convert Carats to Metric Tons (Tonnes)

Enter the weight in carats below to get the value converted to metric tons.

**Results in Metric Tons:**

## How to Convert Carats to Metric Tons

To convert a carat measurement to a metric ton measurement, divide the weight by the conversion ratio. One metric ton is equal to 5,000,000 carats, so use this simple formula to convert:

The weight in metric tons is equal to the carats divided by 5,000,000.

**For example,**here's how to convert 5,000,000 carats to metric tons using the formula above.

Carats and metric tons are both units used to measure weight. Keep reading to learn more about each unit of measure.

## Carats

The carat is a unit of mass/weight equal to 200 milligrams.^{[1]}

A carat is sometimes also referred to as a metric carat. Carats can be abbreviated as *ct*, and are also sometimes abbreviated as *CD*. For example, 1 carat can be written as 1 ct or 1 CD.

## Metric Tons (Tonnes)

One tonne is equal to 1,000 kilograms or 2,204.6 pounds, and is used throughout the world as a unit of mass/weight.^{[2]} One tonne is also equal to 1 megagram.
The metric ton should not be confused with short tons, used primarily in the US, or long tons, used primarily in the UK.

The metric ton is an SI accepted unit for weight for use with the metric system. A metric ton is sometimes also referred to as a tonne. Metric tons can be abbreviated as *t*, and are also sometimes abbreviated as *T*, *Te*, or *MT*. For example, 1 metric ton can be written as 1 t, 1 T, 1 Te, or 1 MT.

In the US the unit is referred to as the metric ton, while the rest of the world refers to it as the tonne.
Most often it's still pronounced as *tun*, but it is sometimes pronounced *tunny*.

## Carat to Metric Ton Conversion Table

Carats | Metric Tons |
---|---|

1 ct | 0.0000002 t |

2 ct | 0.0000004 t |

3 ct | 0.0000006 t |

4 ct | 0.0000008 t |

5 ct | 0.000001 t |

6 ct | 0.0000012 t |

7 ct | 0.0000014 t |

8 ct | 0.0000016 t |

9 ct | 0.0000018 t |

10 ct | 0.000002 t |

100 ct | 0.00002 t |

1,000 ct | 0.0002 t |

10,000 ct | 0.002 t |

100,000 ct | 0.02 t |

1,000,000 ct | 0.2 t |

10,000,000 ct | 2 t |

## References

- National Institute of Standards and Technology, Precious Metals Conversion Information, https://www.nist.gov/pml/weights-and-measures/laws-and-regulations/precious-metals-conversion
- US Food & Drug Administration, Investigations Operations Manual 2015, https://www.fda.gov/media/75942/download