carat | 1 ct | 2 ct | 3 ct | 4 ct | 5 ct | 6 ct | 7 ct | 8 ct | 9 ct | 10 ct | 11 ct | 12 ct | 13 ct | 14 ct | 15 ct | 16 ct | 17 ct | 18 ct | 19 ct | 20 ct | 21 ct | 22 ct | 23 ct | 24 ct | 25 ct | 26 ct | 27 ct | 28 ct | 29 ct | 30 ct | 31 ct | 32 ct | 33 ct | 34 ct | 35 ct | 36 ct | 37 ct | 38 ct | 39 ct | 40 ct | 41 ct | 42 ct | 43 ct | 44 ct | 45 ct | 46 ct | 47 ct | 48 ct | 49 ct | 50 ct | 51 ct | 52 ct | 53 ct | 54 ct | 55 ct | 56 ct | 57 ct | 58 ct | 59 ct | 60 ct | 61 ct | 62 ct | 63 ct | 64 ct | 65 ct | 66 ct | 67 ct | 68 ct | 69 ct | 70 ct | 71 ct | 72 ct | 73 ct | 74 ct | 75 ct | 76 ct | 77 ct | 78 ct | 79 ct | 80 ct | 81 ct | 82 ct | 83 ct | 84 ct | 85 ct | 86 ct | 87 ct | 88 ct | 89 ct | 90 ct | 91 ct | 92 ct | 93 ct | 94 ct | 95 ct | 96 ct | 97 ct | 98 ct | 99 ct | 100 ct |
long hundredweight | 3.9368261104442 × 10-6 long cwt | 7.8736522208885 × 10-6 long cwt | 1.1810478331333 × 10-5 long cwt | 1.5747304441777 × 10-5 long cwt | 1.9684130552221 × 10-5 long cwt | 2.3620956662665 × 10-5 long cwt | 2.755778277311 × 10-5 long cwt | 3.1494608883554 × 10-5 long cwt | 3.5431434993998 × 10-5 long cwt | 3.9368261104442 × 10-5 long cwt | 4.3305087214887 × 10-5 long cwt | 4.7241913325331 × 10-5 long cwt | 5.1178739435775 × 10-5 long cwt | 5.5115565546219 × 10-5 long cwt | 5.9052391656664 × 10-5 long cwt | 6.2989217767108 × 10-5 long cwt | 6.6926043877552 × 10-5 long cwt | 7.0862869987996 × 10-5 long cwt | 7.4799696098441 × 10-5 long cwt | 7.8736522208885 × 10-5 long cwt | 8.2673348319329 × 10-5 long cwt | 8.6610174429773 × 10-5 long cwt | 9.0547000540218 × 10-5 long cwt | 9.4483826650662 × 10-5 long cwt | 9.8420652761106 × 10-5 long cwt | 0.0001024 long cwt | 0.0001063 long cwt | 0.0001102 long cwt | 0.0001142 long cwt | 0.0001181 long cwt | 0.0001220 long cwt | 0.0001260 long cwt | 0.0001299 long cwt | 0.0001339 long cwt | 0.0001378 long cwt | 0.0001417 long cwt | 0.0001457 long cwt | 0.0001496 long cwt | 0.0001535 long cwt | 0.0001575 long cwt | 0.0001614 long cwt | 0.0001653 long cwt | 0.0001693 long cwt | 0.0001732 long cwt | 0.0001772 long cwt | 0.0001811 long cwt | 0.0001850 long cwt | 0.0001890 long cwt | 0.0001929 long cwt | 0.0001968 long cwt | 0.0002008 long cwt | 0.0002047 long cwt | 0.0002087 long cwt | 0.0002126 long cwt | 0.0002165 long cwt | 0.0002205 long cwt | 0.0002244 long cwt | 0.0002283 long cwt | 0.0002323 long cwt | 0.0002362 long cwt | 0.0002401 long cwt | 0.0002441 long cwt | 0.0002480 long cwt | 0.0002520 long cwt | 0.0002559 long cwt | 0.0002598 long cwt | 0.0002638 long cwt | 0.0002677 long cwt | 0.0002716 long cwt | 0.0002756 long cwt | 0.0002795 long cwt | 0.0002835 long cwt | 0.0002874 long cwt | 0.0002913 long cwt | 0.0002953 long cwt | 0.0002992 long cwt | 0.0003031 long cwt | 0.0003071 long cwt | 0.0003110 long cwt | 0.0003149 long cwt | 0.0003189 long cwt | 0.0003228 long cwt | 0.0003268 long cwt | 0.0003307 long cwt | 0.0003346 long cwt | 0.0003386 long cwt | 0.0003425 long cwt | 0.0003464 long cwt | 0.0003504 long cwt | 0.0003543 long cwt | 0.0003583 long cwt | 0.0003622 long cwt | 0.0003661 long cwt | 0.0003701 long cwt | 0.0003740 long cwt | 0.0003779 long cwt | 0.0003819 long cwt | 0.0003858 long cwt | 0.0003897 long cwt | 0.0003937 long cwt |
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 | long hundredweights | carats | long hundredweights |
---|---|---|---|
1 | = 3.9368261104442E-6 | 11 | = 4.3305087214887E-5 |
2.5 | = 9.8420652761106E-6 | 12.5 | = 4.9210326380553E-5 |
4 | = 1.5747304441777E-5 | 14 | = 5.5115565546219E-5 |
5.5 | = 2.1652543607443E-5 | 15.5 | = 6.1020804711886E-5 |
7 | = 2.755778277311E-5 | 17 | = 6.6926043877552E-5 |
8.5 | = 3.3463021938776E-5 | 18.5 | = 7.2831283043218E-5 |
10 | = 3.9368261104442E-5 | 20 | = 7.8736522208885E-5 |
The long or imperial hundredweight of 8 stone (112 lb or 50.802345 kg) sees informal use in the imperial system but according to Schedule 1, Part VI of the Weights and Measures Act 1985, is no longer to be used for trade after the Act came into force.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
long hundredweight | long cwt | ≡ 112 lb av | = 50.80234544 kg | Imperial/US |
long hundredweights | carats | long hundredweights | carats |
---|---|---|---|
1 | = 254011.7272 | 11 | = 2794128.9992 |
2.5 | = 635029.318 | 12.5 | = 3175146.59 |
4 | = 1016046.9088 | 14 | = 3556164.1808 |
5.5 | = 1397064.4996 | 15.5 | = 3937181.7716 |
7 | = 1778082.0904 | 17 | = 4318199.3624 |
8.5 | = 2159099.6812 | 18.5 | = 4699216.9532 |
10 | = 2540117.272 | 20 | = 5080234.544 |
carats | long hundredweights |
---|---|
1 | = 3.9368261104442 × 10-6 |
254,011.7272 | = 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 …) |