Carats to Tonnes Converter

Convert carats to tonnes instantly. One carat equals 2e-7 tonnes, so you can type any value in ct and read the answer in t. The page also shows a…

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Convert carats to tonnes instantly. One carat equals 2e-7 tonnes, so you can type any value in ct and read the answer in t. The page also shows a conversion table and the exact formula used.

Enter your values

Each successful calculation counts toward this tool’s 8 free daily uses. Values stay in your browser.

Worked example

Example calculated from the starting values. Enter your own values and press Calculate to get your result.

Tonnes2e-7 t

1 ct = 2e-7 t

With the default inputs (value in carats = 1 ct), the results are: tonnes 2e-7 t.

Carats to tonnes conversion table

Reference table based on the example values; it is not your calculation result.

carats (ct)tonnes (t)
12e-7
24e-7
50.000001
100.000002
250.000005
500.00001
1000.00002
5000.0001
1,0000.0002

Frequently asked questions

How many tonnes are in one carat?

1 carat = 2e-7 tonnes.

What is the formula to convert carats to tonnes?

Multiply the value in carats by 2e-7.

How do I convert tonnes back to carats?

1 tonne = 5,000,000 carats.

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