stone | 1 st | 2 st | 3 st | 4 st | 5 st | 6 st | 7 st | 8 st | 9 st | 10 st | 11 st | 12 st | 13 st | 14 st | 15 st | 16 st | 17 st | 18 st | 19 st | 20 st | 21 st | 22 st | 23 st | 24 st | 25 st | 26 st | 27 st | 28 st | 29 st | 30 st | 31 st | 32 st | 33 st | 34 st | 35 st | 36 st | 37 st | 38 st | 39 st | 40 st | 41 st | 42 st | 43 st | 44 st | 45 st | 46 st | 47 st | 48 st | 49 st | 50 st | 51 st | 52 st | 53 st | 54 st | 55 st | 56 st | 57 st | 58 st | 59 st | 60 st | 61 st | 62 st | 63 st | 64 st | 65 st | 66 st | 67 st | 68 st | 69 st | 70 st | 71 st | 72 st | 73 st | 74 st | 75 st | 76 st | 77 st | 78 st | 79 st | 80 st | 81 st | 82 st | 83 st | 84 st | 85 st | 86 st | 87 st | 88 st | 89 st | 90 st | 91 st | 92 st | 93 st | 94 st | 95 st | 96 st | 97 st | 98 st | 99 st | 100 st |
carat | 31,751.4659 ct | 63,502.9318 ct | 95,254.3977 ct | 127,005.8636 ct | 158,757.3295 ct | 190,508.7954 ct | 222,260.2613 ct | 254,011.7272 ct | 285,763.1931 ct | 317,514.659 ct | 349,266.1249 ct | 381,017.5908 ct | 412,769.0567 ct | 444,520.5226 ct | 476,271.9885 ct | 508,023.4544 ct | 539,774.9203 ct | 571,526.3862 ct | 603,277.8521 ct | 635,029.318 ct | 666,780.7839 ct | 698,532.2498 ct | 730,283.7157 ct | 762,035.1816 ct | 793,786.6475 ct | 825,538.1134 ct | 857,289.5793 ct | 889,041.0452 ct | 920,792.5111 ct | 952,543.977 ct | 984,295.4429 ct | 1,016,046.9088 ct | 1,047,798.3747 ct | 1,079,549.8406 ct | 1,111,301.3065 ct | 1,143,052.7724 ct | 1,174,804.2383 ct | 1,206,555.7042 ct | 1,238,307.1701 ct | 1,270,058.636 ct | 1,301,810.1019 ct | 1,333,561.5678 ct | 1,365,313.0337 ct | 1,397,064.4996 ct | 1,428,815.9655 ct | 1,460,567.4314 ct | 1,492,318.8973 ct | 1,524,070.3632 ct | 1,555,821.8291 ct | 1,587,573.295 ct | 1,619,324.7609 ct | 1,651,076.2268 ct | 1,682,827.6927 ct | 1,714,579.1586 ct | 1,746,330.6245 ct | 1,778,082.0904 ct | 1,809,833.5563 ct | 1,841,585.0222 ct | 1,873,336.4881 ct | 1,905,087.954 ct | 1,936,839.4199 ct | 1,968,590.8858 ct | 2,000,342.3517 ct | 2,032,093.8176 ct | 2,063,845.2835 ct | 2,095,596.7494 ct | 2,127,348.2153 ct | 2,159,099.6812 ct | 2,190,851.1471 ct | 2,222,602.613 ct | 2,254,354.0789 ct | 2,286,105.5448 ct | 2,317,857.0107 ct | 2,349,608.4766 ct | 2,381,359.9425 ct | 2,413,111.4084 ct | 2,444,862.8743 ct | 2,476,614.3402 ct | 2,508,365.8061 ct | 2,540,117.272 ct | 2,571,868.7379 ct | 2,603,620.2038 ct | 2,635,371.6697 ct | 2,667,123.1356 ct | 2,698,874.6015 ct | 2,730,626.0674 ct | 2,762,377.5333 ct | 2,794,128.9992 ct | 2,825,880.4651 ct | 2,857,631.931 ct | 2,889,383.3969 ct | 2,921,134.8628 ct | 2,952,886.3287 ct | 2,984,637.7946 ct | 3,016,389.2605 ct | 3,048,140.7264 ct | 3,079,892.1923 ct | 3,111,643.6582 ct | 3,143,395.1241 ct | 3,175,146.59 ct |
The stone or stone weight (abbreviation: st.) is an English and imperial unit of mass now equal to 14 pounds (6.35029318 kg).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
stone | st | ≡ 14 lb av | = 6.35029318 kg | Imperial/US |
stones | carats | stones | carats |
---|---|---|---|
1 | = 31751.4659 | 11 | = 349266.1249 |
2.5 | = 79378.66475 | 12.5 | = 396893.32375 |
4 | = 127005.8636 | 14 | = 444520.5226 |
5.5 | = 174633.06245 | 15.5 | = 492147.72145 |
7 | = 222260.2613 | 17 | = 539774.9203 |
8.5 | = 269887.46015 | 18.5 | = 587402.11915 |
10 | = 317514.659 | 20 | = 635029.318 |
The carat (ct) is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
carat | ct | ≡ 200 mg | ≡ 200 mg | Imperial/US |
carats | stones | carats | stones |
---|---|---|---|
1 | = 3.1494608883554E-5 | 11 | = 0.00034644069771909 |
2.5 | = 7.8736522208885E-5 | 12.5 | = 0.00039368261104442 |
4 | = 0.00012597843553422 | 14 | = 0.00044092452436976 |
5.5 | = 0.00017322034885955 | 15.5 | = 0.00048816643769509 |
7 | = 0.00022046226218488 | 17 | = 0.00053540835102042 |
8.5 | = 0.00026770417551021 | 18.5 | = 0.00058265026434575 |
10 | = 0.00031494608883554 | 20 | = 0.00062989217767108 |
stones | carats |
---|---|
1 | = 31,751.4659 |
3.1494608883554 × 10-5 | = 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |