Convert Carats to Stones

Convert carats to stones instantly. Type a value below, check the formula and table, then see how the same ct to st conversion looks as a single line in Notes Calculator.

ct 0.00314946 st

Carats to Stones formula

One carat is 0.0000314946 stones, so st = ct × 0.0000314946. For the reverse, multiply stones by 31,751.5, or use the Stones to Carats converter.

Carats to Stones conversion table

Carats (ct)Stones (st)
10.0000314946
20.0000629892
50.000157473
100.000314946
200.000629892
250.000787365
500.00157473
1000.00314946
2500.00787365
5000.0157473
1,0000.0314946

Carats to Stones in Notes Calculator

Notes Calculator is a notepad that does math. Write 100 carats to stones on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix carats and stones without a separate converter.

Carats to Stones
NoteResult
100 carats to stones 0.00 st.
100 carats in stones 0.00 st.
10 stones as carats 317,514.66 ct
Results shown exactly as the app prints them with the default two-decimal setting.

See the unit conversion docs for mixing units in one expression, or open the free web app and try it.

FAQ

Frequently asked questions

How many stones are in one carat?
One carat equals 0.0000314946 stones. To convert carats to stones, multiply by 0.0000314946; to go back, multiply by 31,751.5.
How do I convert carats to stones in Notes Calculator?
Type the value, the unit, and the target unit on one line: 100 carats to stones. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
Is this carats to stones converter free?
Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.

Convert carats to stones without leaving your notes.

Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.

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