Convert stones to carats

1 st = 31751.4659 ct — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

31 751.4659ct
✓ Exact 1 st = 31 751.4659 ct
Exact decimal: 31751.4659
As a fraction: 317514659/10000
1 st = 31751.4659 ct

How to convert stones to carats

Multiply the number of stones by 31751.4659 to get carats.

The exact factor is 31751.4659 — as a fraction, 317514659/10000.

Stone: Body weight in the UK and Ireland: 14 pounds.

Carat: The metric carat: exactly 200 mg.

Stone to Carat conversion table

Stones (st) Carats (ct)
1 st 31 751.466
2 st 63 502.932
3 st 95 254.398
5 st 158 757.33
10 st 317 514.66
20 st 635 029.32
25 st 793 786.65
50 st 1 587 573.3
100 st 3 175 146.6
250 st 7 937 866.5
500 st 15 875 733
1000 st 31 751 466

Carat to Stone conversion table

Carats (ct) Stones (st)
1 ct 0.000 031 494 609
2 ct 0.000 062 989 218
3 ct 0.000 094 483 827
5 ct 0.000 157 473 04
10 ct 0.000 314 946 09
20 ct 0.000 629 892 18
25 ct 0.000 787 365 22
50 ct 0.001 574 730 4
100 ct 0.003 149 460 9
250 ct 0.007 873 652 2
500 ct 0.015 747 304
1000 ct 0.031 494 609

Frequently asked

How many carats are in a stone?

One stone equals 31751.4659 carats (st → ct). That figure is exact, not rounded.

How do you convert stones to carats?

Multiply the number of stones by 31751.4659 to get carats.

What is 1 ct in stones?

One carat is 0.00003149460888 stones.

What is 10 st in ct?

10 st = 317 514.66 ct.

What exactly is a stone?

Body weight in the UK and Ireland: 14 pounds.

What exactly is a carat?

The metric carat: exactly 200 mg.

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