| 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 |
| decigram | 2 dg | 4 dg | 6 dg | 8 dg | 10 dg | 12 dg | 14 dg | 16 dg | 18 dg | 20 dg | 22 dg | 24 dg | 26 dg | 28 dg | 30 dg | 32 dg | 34 dg | 36 dg | 38 dg | 40 dg | 42 dg | 44 dg | 46 dg | 48 dg | 50 dg | 52 dg | 54 dg | 56 dg | 58 dg | 60 dg | 62 dg | 64 dg | 66 dg | 68 dg | 70 dg | 72 dg | 74 dg | 76 dg | 78 dg | 80 dg | 82 dg | 84 dg | 86 dg | 88 dg | 90 dg | 92 dg | 94 dg | 96 dg | 98 dg | 100 dg | 102 dg | 104 dg | 106 dg | 108 dg | 110 dg | 112 dg | 114 dg | 116 dg | 118 dg | 120 dg | 122 dg | 124 dg | 126 dg | 128 dg | 130 dg | 132 dg | 134 dg | 136 dg | 138 dg | 140 dg | 142 dg | 144 dg | 146 dg | 148 dg | 150 dg | 152 dg | 154 dg | 156 dg | 158 dg | 160 dg | 162 dg | 164 dg | 166 dg | 168 dg | 170 dg | 172 dg | 174 dg | 176 dg | 178 dg | 180 dg | 182 dg | 184 dg | 186 dg | 188 dg | 190 dg | 192 dg | 194 dg | 196 dg | 198 dg | 200 dg |
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.
| 1 carats ≡ 2 decigrams | 11 carats ≡ 22 decigrams |
| 2.5 carats ≡ 5 decigrams | 12.5 carats ≡ 25 decigrams |
| 4 carats ≡ 8 decigrams | 14 carats ≡ 28 decigrams |
| 5.5 carats ≡ 11 decigrams | 15.5 carats ≡ 31 decigrams |
| 7 carats ≡ 14 decigrams | 17 carats ≡ 34 decigrams |
| 8.5 carats ≡ 17 decigrams | 18.5 carats ≡ 37 decigrams |
| 10 carats ≡ 20 decigrams | 20 carats ≡ 40 decigrams |
Decigram or decigramme is equal to 10-1 gram (unit of mass), comes from a combination of the metric prefix deci (d) with the gram (g). Plural name is decigrams.
| 1 decigrams ≡ 0.5 carats | 11 decigrams ≡ 5.5 carats |
| 2.5 decigrams ≡ 1.25 carats | 12.5 decigrams ≡ 6.25 carats |
| 4 decigrams ≡ 2 carats | 14 decigrams ≡ 7 carats |
| 5.5 decigrams ≡ 2.75 carats | 15.5 decigrams ≡ 7.75 carats |
| 7 decigrams ≡ 3.5 carats | 17 decigrams ≡ 8.5 carats |
| 8.5 decigrams ≡ 4.25 carats | 18.5 decigrams ≡ 9.25 carats |
| 10 decigrams ≡ 5 carats | 20 decigrams ≡ 10 carats |
| 1 carats ≡ 2 decigrams |
| 1 decigrams ≡ 0.5 carats |