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.
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Show this value in all 34 weight & mass units
- Megagrams Mg 0.006 350 293 18
- Kilograms kg 6.350 293 18
- Hectograms hg 63.502 931 8
- Decagrams dag 635.029 318
- Grams g 6350.293 18
- Decigrams dg 63 502.9318
- Centigrams cg 635 029.318
- Milligrams mg 6 350 293.18
- Micrograms µg 6 350 293 180
- Nanograms ng 6 350 293 180 000
- Picograms pg 6 350 293 180 000 000
- Tonnes t 0.006 350 293 18
- Kilotonnes kt 0.000 006 350 293 18
- Megatonnes Mt 6.35029318e-9
- Quintals q 0.063 502 931 8
- Carats ct 31 751.4659
- Pounds lb 14
- Ounces oz 224
- Drams dr 3584
- Grains gr 98 000
- Stones st 1
- Hundredweight (US)s cwt (US) 0.14
- Hundredweight (UK)s cwt (UK) 0.125
- Short ton (US)s tn 0.007
- Long ton (UK)s LT 0.006 25
- Troy ounces ozt 204.166 666 667
- Troy pounds lbt 17.013 888 888 9
- Pennyweights dwt 4083.333 333 33
- Slugs slug 0.435 133 302 402
- Atomic mass units u 3.8242359357e+27
- Electron masss mₑ 6.971155656e+30
- Planck masss mₚ 291 775 132.166
- Earth masss M🜨 1.06330886106e-24
- Solar masss M☉ 3.19283489532e-30
Every row is Stone (st) converted through the kilogram, in exact rational arithmetic.
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.