| 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 |
| kilogram | 0.0002 kg | 0.0004 kg | 0.0006 kg | 0.0008 kg | 0.001 kg | 0.0012 kg | 0.0014 kg | 0.0016 kg | 0.0018 kg | 0.002 kg | 0.0022 kg | 0.0024 kg | 0.0026 kg | 0.0028 kg | 0.003 kg | 0.0032 kg | 0.0034 kg | 0.0036 kg | 0.0038 kg | 0.004 kg | 0.0042 kg | 0.0044 kg | 0.0046 kg | 0.0048 kg | 0.005 kg | 0.0052 kg | 0.0054 kg | 0.0056 kg | 0.0058 kg | 0.006 kg | 0.0062 kg | 0.0064 kg | 0.0066 kg | 0.0068 kg | 0.007 kg | 0.0072 kg | 0.0074 kg | 0.0076 kg | 0.0078 kg | 0.008 kg | 0.0082 kg | 0.0084 kg | 0.0086 kg | 0.0088 kg | 0.009 kg | 0.0092 kg | 0.0094 kg | 0.0096 kg | 0.0098 kg | 0.01 kg | 0.0102 kg | 0.0104 kg | 0.0106 kg | 0.0108 kg | 0.011 kg | 0.0112 kg | 0.0114 kg | 0.0116 kg | 0.0118 kg | 0.012 kg | 0.0122 kg | 0.0124 kg | 0.0126 kg | 0.0128 kg | 0.013 kg | 0.0132 kg | 0.0134 kg | 0.0136 kg | 0.0138 kg | 0.014 kg | 0.0142 kg | 0.0144 kg | 0.0146 kg | 0.0148 kg | 0.015 kg | 0.0152 kg | 0.0154 kg | 0.0156 kg | 0.0158 kg | 0.016 kg | 0.0162 kg | 0.0164 kg | 0.0166 kg | 0.0168 kg | 0.017 kg | 0.0172 kg | 0.0174 kg | 0.0176 kg | 0.0178 kg | 0.018 kg | 0.0182 kg | 0.0184 kg | 0.0186 kg | 0.0188 kg | 0.019 kg | 0.0192 kg | 0.0194 kg | 0.0196 kg | 0.0198 kg | 0.02 kg |
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 ≡ 0.0002 kilograms | 11 carats ≡ 0.0022 kilograms |
| 2.5 carats ≡ 0.0005 kilograms | 12.5 carats ≡ 0.0025 kilograms |
| 4 carats ≡ 0.0008 kilograms | 14 carats ≡ 0.0028 kilograms |
| 5.5 carats ≡ 0.0011 kilograms | 15.5 carats ≡ 0.0031 kilograms |
| 7 carats ≡ 0.0014 kilograms | 17 carats ≡ 0.0034 kilograms |
| 8.5 carats ≡ 0.0017 kilograms | 18.5 carats ≡ 0.0037 kilograms |
| 10 carats ≡ 0.002 kilograms | 20 carats ≡ 0.004 kilograms |
The kilogram or kilogramme (SI unit symbol: kg) is the base unit of mass in the International System of Units (SI) (the Metric system) and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K").
| 1 kilograms ≡ 5000 carats | 11 kilograms ≡ 55000 carats |
| 2.5 kilograms ≡ 12500 carats | 12.5 kilograms ≡ 62500 carats |
| 4 kilograms ≡ 20000 carats | 14 kilograms ≡ 70000 carats |
| 5.5 kilograms ≡ 27500 carats | 15.5 kilograms ≡ 77500 carats |
| 7 kilograms ≡ 35000 carats | 17 kilograms ≡ 85000 carats |
| 8.5 kilograms ≡ 42500 carats | 18.5 kilograms ≡ 92500 carats |
| 10 kilograms ≡ 50000 carats | 20 kilograms ≡ 100000 carats |
| 1 carats ≡ 0.0002 kilograms |
| 1 kilograms ≡ 5 000 carats |