Conversion Carat to Stone

The carat is a unit of mass equal to 200 mg (0.2 gr) and is used for measuring gemstones and pearls

This tool converts carats to stones (ct to stone) and vice versa. 1 carat ≈ 3.149E-5 stones. The user must fill one of the two fields and the conversion will become automatically.



1 carats = 3.149E-5 stones


Formula carats in stones (ct in stone). Stone ≈ ct*3.149E-5


Conversions carats to other units

Carat to Kilogram Carat to Pound Carat to Ounce
Carat to Gram Carat to Milligram Carat to Tonne
Carat to Short ton Carat to Long ton Carat to Stone


Table carats to stones
1 carats = 3.149E-5 stones11 carats = 0.0003464 stones21 carats = 0.0006614 stones
2 carats = 6.299E-5 stones12 carats = 0.0003779 stones22 carats = 0.0006929 stones
3 carats = 9.448E-5 stones13 carats = 0.0004094 stones23 carats = 0.0007244 stones
4 carats = 0.000126 stones14 carats = 0.0004409 stones24 carats = 0.0007559 stones
5 carats = 0.0001575 stones15 carats = 0.0004724 stones25 carats = 0.0007874 stones
6 carats = 0.000189 stones16 carats = 0.0005039 stones26 carats = 0.0008189 stones
7 carats = 0.0002205 stones17 carats = 0.0005354 stones27 carats = 0.0008504 stones
8 carats = 0.000252 stones18 carats = 0.0005669 stones28 carats = 0.0008818 stones
9 carats = 0.0002835 stones19 carats = 0.0005984 stones29 carats = 0.0009133 stones
10 carats = 0.0003149 stones20 carats = 0.0006299 stones30 carats = 0.0009448 stones
40 carats = 0.00126 stones70 carats = 0.002205 stones100 carats = 0.003149 stones
50 carats = 0.001575 stones80 carats = 0.00252 stones110 carats = 0.003464 stones
60 carats = 0.00189 stones90 carats = 0.002835 stones120 carats = 0.003779 stones
200 carats = 0.006299 stones500 carats = 0.01575 stones800 carats = 0.0252 stones
300 carats = 0.009448 stones600 carats = 0.0189 stones900 carats = 0.02835 stones
400 carats = 0.0126 stones700 carats = 0.02205 stones1000 carats = 0.03149 stones


Mass - Weight Conversions

Kilogram to Pound Kilogram to Ounce Kilogram to Gram
Kilogram to Milligram Kilogram to Tonne Kilogram to Short ton
Kilogram to Long ton Kilogram to Carat Kilogram to Stone
Pound to Kilogram Pound to Ounce Pound to Gram
Pound to Milligram Pound to Tonne Pound to Short ton
Pound to Long ton Pound to Carat Pound to Stone
Ounce to Kilogram Ounce to Pound Ounce to Gram
Ounce to Milligram Ounce to Tonne Ounce to Short ton
Ounce to Long ton Ounce to Carat Ounce to Stone
Gram to Kilogram Gram to Pound Gram to Ounce
Gram to Milligram Gram to Tonne Gram to Short ton
Gram to Long ton Gram to Carat Gram to Stone
Milligram to Kilogram Milligram to Pound Milligram to Ounce
Milligram to Gram Milligram to Tonne Milligram to Short ton
Milligram to Long ton Milligram to Carat Milligram to Stone
Tonne to Kilogram Tonne to Pound Tonne to Ounce
Tonne to Gram Tonne to Milligram Tonne to Short ton
Tonne to Long ton Tonne to Carat Tonne to Stone
Short ton to Kilogram Short ton to Pound Short ton to Ounce
Short ton to Gram Short ton to Milligram Short ton to Tonne
Short ton to Long ton Short ton to Carat Short ton to Stone
Long ton to Kilogram Long ton to Pound Long ton to Ounce
Long ton to Gram Long ton to Milligram Long ton to Tonne
Long ton to Short ton Long ton to Carat Long ton to Stone
Stone to Kilogram Stone to Pound Stone to Ounce
Stone to Gram Stone to Milligram Stone to Tonne
Stone to Short ton Stone to Long ton Stone to Carat