Stone to Carats Converter

1 stone (st) equals 31,751.4659 carats (ct).

Quick answer

  • 1 stone = 31,751.4659 carats
  • 1 carat = 0.000031494609 stone
  • Formula: ct = st × 31,751.4659

1 stone = 31,751.4659 carats

How to convert stone to carats

ct = st × 31,751.4659

To convert stone to carats, multiply the number of stone by 31,751.4659.

Example: 18 st to ct

  1. Start with the value in stone: 18 st.
  2. Multiply by 31,751.4659: 18 × 31,751.4659 = 571,526.3862.
  3. Result: 18 stone = 571,526.3862 carats.

Going the other way, 1 carat = 0.000031494609 stone, so to convert carats back to stone you divide by the same number. See carats to stone.

Stone to carats conversion table

Stone (st)Carats (ct)
0.25 st 7,937.866475 ct
0.5 st 15,875.73295 ct
0.75 st 23,813.59943 ct
1 st 31,751.4659 ct
1.5 st 47,627.19885 ct
2 st 63,502.9318 ct
2.5 st 79,378.66475 ct
3 st 95,254.3977 ct
4 st 127,005.8636 ct
5 st 158,757.3295 ct
6 st 190,508.7954 ct
7 st 222,260.2613 ct
8 st 254,011.7272 ct
9 st 285,763.1931 ct
10 st 317,514.659 ct
11 st 349,266.1249 ct
12 st 381,017.5908 ct
13 st 412,769.0567 ct
14 st 444,520.5226 ct
15 st 476,271.9885 ct
16 st 508,023.4544 ct
17 st 539,774.9203 ct
18 st 571,526.3862 ct
19 st 603,277.8521 ct
20 st 635,029.318 ct
21 st 666,780.7839 ct
22 st 698,532.2498 ct
23 st 730,283.7157 ct
24 st 762,035.1816 ct
25 st 793,786.6475 ct
26 st 825,538.1134 ct
27 st 857,289.5793 ct
28 st 889,041.0452 ct
29 st 920,792.5111 ct
30 st 952,543.977 ct
31 st 984,295.4429 ct
32 st 1,016,046.909 ct
33 st 1,047,798.375 ct
34 st 1,079,549.841 ct
35 st 1,111,301.307 ct

More st to ct values

What is a stone?

The stone is a British and Irish unit of mass equal to 14 pounds, about 6.35 kilograms.

More about stone →

What is a carat?

The carat is the unit of mass for gemstones and pearls, equal to exactly 200 milligrams.

More about carats →

Convert stone to other units

Convert other units to carats

Frequently asked questions

How many carats are in a stone?

One stone is 31,751.4659 carats.

How many stone are in a carat?

One carat is 0.000031494609 stone.

What is the formula to convert stone to carats?

ct = st × 31,751.4659.