Convert grams to carats (g to ct)

1 g = 5 ct. Gram (g), Carat (ct). The exact factor, the formula and every value from 1 to 10,000.

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How to convert grams to carats

Multiply the value in g by 5: the result is in ct.

ct = g × 5The other way round, 1 ct = 0.2 g.

Where these two units are used

The gram is the unit of food labels and recipes, the one in which per-hundred-gram figures and postal rates are read. The carat of gemstones has been exactly 0.2 gram since 1907; it is not to be confused with the karat of gold, which is not a mass but a purity out of twenty-four. The jeweller quotes carats, the buyer wants to know what it weighs: five carats make exactly one gram, which makes the arithmetic immediate once you know it.

Conversion table, grams to carats

1 g5 ct
2 g10 ct
5 g25 ct
10 g50 ct
20 g100 ct
50 g250 ct
100 g500 ct
500 g2,500 ct
1,000 g5,000 ct
Show every value
  • 1 g = 5 ct
  • 2 g = 10 ct
  • 3 g = 15 ct
  • 4 g = 20 ct
  • 5 g = 25 ct
  • 6 g = 30 ct
  • 7 g = 35 ct
  • 8 g = 40 ct
  • 9 g = 45 ct
  • 10 g = 50 ct
  • 11 g = 55 ct
  • 12 g = 60 ct
  • 13 g = 65 ct
  • 14 g = 70 ct
  • 15 g = 75 ct
  • 16 g = 80 ct
  • 17 g = 85 ct
  • 18 g = 90 ct
  • 19 g = 95 ct
  • 20 g = 100 ct
  • 21 g = 105 ct
  • 22 g = 110 ct
  • 23 g = 115 ct
  • 24 g = 120 ct
  • 25 g = 125 ct
  • 26 g = 130 ct
  • 27 g = 135 ct
  • 28 g = 140 ct
  • 29 g = 145 ct
  • 30 g = 150 ct
  • 31 g = 155 ct
  • 32 g = 160 ct
  • 33 g = 165 ct
  • 34 g = 170 ct
  • 35 g = 175 ct
  • 36 g = 180 ct
  • 37 g = 185 ct
  • 38 g = 190 ct
  • 39 g = 195 ct
  • 40 g = 200 ct
  • 41 g = 205 ct
  • 42 g = 210 ct
  • 43 g = 215 ct
  • 44 g = 220 ct
  • 45 g = 225 ct
  • 46 g = 230 ct
  • 47 g = 235 ct
  • 48 g = 240 ct
  • 49 g = 245 ct
  • 50 g = 250 ct
  • 51 g = 255 ct
  • 52 g = 260 ct
  • 53 g = 265 ct
  • 54 g = 270 ct
  • 55 g = 275 ct
  • 56 g = 280 ct
  • 57 g = 285 ct
  • 58 g = 290 ct
  • 59 g = 295 ct
  • 60 g = 300 ct
  • 61 g = 305 ct
  • 62 g = 310 ct
  • 63 g = 315 ct
  • 64 g = 320 ct
  • 65 g = 325 ct
  • 66 g = 330 ct
  • 67 g = 335 ct
  • 68 g = 340 ct
  • 69 g = 345 ct
  • 70 g = 350 ct
  • 71 g = 355 ct
  • 72 g = 360 ct
  • 73 g = 365 ct
  • 74 g = 370 ct
  • 75 g = 375 ct
  • 76 g = 380 ct
  • 77 g = 385 ct
  • 78 g = 390 ct
  • 79 g = 395 ct
  • 80 g = 400 ct
  • 81 g = 405 ct
  • 82 g = 410 ct
  • 83 g = 415 ct
  • 84 g = 420 ct
  • 85 g = 425 ct
  • 86 g = 430 ct
  • 87 g = 435 ct
  • 88 g = 440 ct
  • 89 g = 445 ct
  • 90 g = 450 ct
  • 91 g = 455 ct
  • 92 g = 460 ct
  • 93 g = 465 ct
  • 94 g = 470 ct
  • 95 g = 475 ct
  • 96 g = 480 ct
  • 97 g = 485 ct
  • 98 g = 490 ct
  • 99 g = 495 ct
  • 100 g = 500 ct
  • 101 g = 505 ct
  • 102 g = 510 ct
  • 103 g = 515 ct
  • 104 g = 520 ct
  • 105 g = 525 ct
  • 106 g = 530 ct
  • 107 g = 535 ct
  • 108 g = 540 ct
  • 109 g = 545 ct
  • 110 g = 550 ct
  • 111 g = 555 ct
  • 112 g = 560 ct
  • 113 g = 565 ct
  • 114 g = 570 ct
  • 115 g = 575 ct
  • 116 g = 580 ct
  • 117 g = 585 ct
  • 118 g = 590 ct
  • 119 g = 595 ct
  • 120 g = 600 ct
  • 121 g = 605 ct
  • 122 g = 610 ct
  • 123 g = 615 ct
  • 124 g = 620 ct
  • 125 g = 625 ct
  • 126 g = 630 ct
  • 127 g = 635 ct
  • 128 g = 640 ct
  • 129 g = 645 ct
  • 130 g = 650 ct
  • 131 g = 655 ct
  • 132 g = 660 ct
  • 133 g = 665 ct
  • 134 g = 670 ct
  • 135 g = 675 ct
  • 136 g = 680 ct
  • 137 g = 685 ct
  • 138 g = 690 ct
  • 139 g = 695 ct
  • 140 g = 700 ct
  • 141 g = 705 ct
  • 142 g = 710 ct
  • 143 g = 715 ct
  • 144 g = 720 ct
  • 145 g = 725 ct
  • 146 g = 730 ct
  • 147 g = 735 ct
  • 148 g = 740 ct
  • 149 g = 745 ct
  • 150 g = 750 ct
  • 151 g = 755 ct
  • 152 g = 760 ct
  • 153 g = 765 ct
  • 154 g = 770 ct
  • 155 g = 775 ct
  • 156 g = 780 ct
  • 157 g = 785 ct
  • 158 g = 790 ct
  • 159 g = 795 ct
  • 160 g = 800 ct
  • 161 g = 805 ct
  • 162 g = 810 ct
  • 163 g = 815 ct
  • 164 g = 820 ct
  • 165 g = 825 ct
  • 166 g = 830 ct
  • 167 g = 835 ct
  • 168 g = 840 ct
  • 169 g = 845 ct
  • 170 g = 850 ct
  • 171 g = 855 ct
  • 172 g = 860 ct
  • 173 g = 865 ct
  • 174 g = 870 ct
  • 175 g = 875 ct
  • 176 g = 880 ct
  • 177 g = 885 ct
  • 178 g = 890 ct
  • 179 g = 895 ct
  • 180 g = 900 ct
  • 181 g = 905 ct
  • 182 g = 910 ct
  • 183 g = 915 ct
  • 184 g = 920 ct
  • 185 g = 925 ct
  • 186 g = 930 ct
  • 187 g = 935 ct
  • 188 g = 940 ct
  • 189 g = 945 ct
  • 190 g = 950 ct
  • 191 g = 955 ct
  • 192 g = 960 ct
  • 193 g = 965 ct
  • 194 g = 970 ct
  • 195 g = 975 ct
  • 196 g = 980 ct
  • 197 g = 985 ct
  • 198 g = 990 ct
  • 199 g = 995 ct
  • 200 g = 1,000 ct
  • 205 g = 1,025 ct
  • 210 g = 1,050 ct
  • 215 g = 1,075 ct
  • 220 g = 1,100 ct
  • 225 g = 1,125 ct
  • 230 g = 1,150 ct
  • 235 g = 1,175 ct
  • 240 g = 1,200 ct
  • 245 g = 1,225 ct
  • 250 g = 1,250 ct
  • 255 g = 1,275 ct
  • 260 g = 1,300 ct
  • 265 g = 1,325 ct
  • 270 g = 1,350 ct
  • 275 g = 1,375 ct
  • 280 g = 1,400 ct
  • 285 g = 1,425 ct
  • 290 g = 1,450 ct
  • 295 g = 1,475 ct
  • 300 g = 1,500 ct
  • 305 g = 1,525 ct
  • 310 g = 1,550 ct
  • 315 g = 1,575 ct
  • 320 g = 1,600 ct
  • 325 g = 1,625 ct
  • 330 g = 1,650 ct
  • 335 g = 1,675 ct
  • 340 g = 1,700 ct
  • 345 g = 1,725 ct
  • 350 g = 1,750 ct
  • 355 g = 1,775 ct
  • 360 g = 1,800 ct
  • 365 g = 1,825 ct
  • 370 g = 1,850 ct
  • 375 g = 1,875 ct
  • 380 g = 1,900 ct
  • 385 g = 1,925 ct
  • 390 g = 1,950 ct
  • 395 g = 1,975 ct
  • 400 g = 2,000 ct
  • 405 g = 2,025 ct
  • 410 g = 2,050 ct
  • 415 g = 2,075 ct
  • 420 g = 2,100 ct
  • 425 g = 2,125 ct
  • 430 g = 2,150 ct
  • 435 g = 2,175 ct
  • 440 g = 2,200 ct
  • 445 g = 2,225 ct
  • 450 g = 2,250 ct
  • 455 g = 2,275 ct
  • 460 g = 2,300 ct
  • 465 g = 2,325 ct
  • 470 g = 2,350 ct
  • 475 g = 2,375 ct
  • 480 g = 2,400 ct
  • 485 g = 2,425 ct
  • 490 g = 2,450 ct
  • 495 g = 2,475 ct
  • 500 g = 2,500 ct
  • 510 g = 2,550 ct
  • 520 g = 2,600 ct
  • 530 g = 2,650 ct
  • 540 g = 2,700 ct
  • 550 g = 2,750 ct
  • 560 g = 2,800 ct
  • 570 g = 2,850 ct
  • 580 g = 2,900 ct
  • 590 g = 2,950 ct
  • 600 g = 3,000 ct
  • 610 g = 3,050 ct
  • 620 g = 3,100 ct
  • 630 g = 3,150 ct
  • 640 g = 3,200 ct
  • 650 g = 3,250 ct
  • 660 g = 3,300 ct
  • 670 g = 3,350 ct
  • 680 g = 3,400 ct
  • 690 g = 3,450 ct
  • 700 g = 3,500 ct
  • 710 g = 3,550 ct
  • 720 g = 3,600 ct
  • 730 g = 3,650 ct
  • 740 g = 3,700 ct
  • 750 g = 3,750 ct
  • 760 g = 3,800 ct
  • 770 g = 3,850 ct
  • 780 g = 3,900 ct
  • 790 g = 3,950 ct
  • 800 g = 4,000 ct
  • 810 g = 4,050 ct
  • 820 g = 4,100 ct
  • 830 g = 4,150 ct
  • 840 g = 4,200 ct
  • 850 g = 4,250 ct
  • 860 g = 4,300 ct
  • 870 g = 4,350 ct
  • 880 g = 4,400 ct
  • 890 g = 4,450 ct
  • 900 g = 4,500 ct
  • 910 g = 4,550 ct
  • 920 g = 4,600 ct
  • 930 g = 4,650 ct
  • 940 g = 4,700 ct
  • 950 g = 4,750 ct
  • 960 g = 4,800 ct
  • 970 g = 4,850 ct
  • 980 g = 4,900 ct
  • 990 g = 4,950 ct
  • 1,000 g = 5,000 ct
  • 1,025 g = 5,125 ct
  • 1,050 g = 5,250 ct
  • 1,075 g = 5,375 ct
  • 1,100 g = 5,500 ct
  • 1,125 g = 5,625 ct
  • 1,150 g = 5,750 ct
  • 1,175 g = 5,875 ct
  • 1,200 g = 6,000 ct
  • 1,225 g = 6,125 ct
  • 1,250 g = 6,250 ct
  • 1,275 g = 6,375 ct
  • 1,300 g = 6,500 ct
  • 1,325 g = 6,625 ct
  • 1,350 g = 6,750 ct
  • 1,375 g = 6,875 ct
  • 1,400 g = 7,000 ct
  • 1,425 g = 7,125 ct
  • 1,450 g = 7,250 ct
  • 1,475 g = 7,375 ct
  • 1,500 g = 7,500 ct
  • 1,525 g = 7,625 ct
  • 1,550 g = 7,750 ct
  • 1,575 g = 7,875 ct
  • 1,600 g = 8,000 ct
  • 1,625 g = 8,125 ct
  • 1,650 g = 8,250 ct
  • 1,675 g = 8,375 ct
  • 1,700 g = 8,500 ct
  • 1,725 g = 8,625 ct
  • 1,750 g = 8,750 ct
  • 1,775 g = 8,875 ct
  • 1,800 g = 9,000 ct
  • 1,825 g = 9,125 ct
  • 1,850 g = 9,250 ct
  • 1,875 g = 9,375 ct
  • 1,900 g = 9,500 ct
  • 1,925 g = 9,625 ct
  • 1,950 g = 9,750 ct
  • 1,975 g = 9,875 ct
  • 2,000 g = 10,000 ct
  • 2,050 g = 10,250 ct
  • 2,100 g = 10,500 ct
  • 2,150 g = 10,750 ct
  • 2,200 g = 11,000 ct
  • 2,250 g = 11,250 ct
  • 2,300 g = 11,500 ct
  • 2,350 g = 11,750 ct
  • 2,400 g = 12,000 ct
  • 2,450 g = 12,250 ct
  • 2,500 g = 12,500 ct
  • 2,550 g = 12,750 ct
  • 2,600 g = 13,000 ct
  • 2,650 g = 13,250 ct
  • 2,700 g = 13,500 ct
  • 2,750 g = 13,750 ct
  • 2,800 g = 14,000 ct
  • 2,850 g = 14,250 ct
  • 2,900 g = 14,500 ct
  • 2,950 g = 14,750 ct
  • 3,000 g = 15,000 ct
  • 3,050 g = 15,250 ct
  • 3,100 g = 15,500 ct
  • 3,150 g = 15,750 ct
  • 3,200 g = 16,000 ct
  • 3,250 g = 16,250 ct
  • 3,300 g = 16,500 ct
  • 3,350 g = 16,750 ct
  • 3,400 g = 17,000 ct
  • 3,450 g = 17,250 ct
  • 3,500 g = 17,500 ct
  • 3,550 g = 17,750 ct
  • 3,600 g = 18,000 ct
  • 3,650 g = 18,250 ct
  • 3,700 g = 18,500 ct
  • 3,750 g = 18,750 ct
  • 3,800 g = 19,000 ct
  • 3,850 g = 19,250 ct
  • 3,900 g = 19,500 ct
  • 3,950 g = 19,750 ct
  • 4,000 g = 20,000 ct
  • 4,050 g = 20,250 ct
  • 4,100 g = 20,500 ct
  • 4,150 g = 20,750 ct
  • 4,200 g = 21,000 ct
  • 4,250 g = 21,250 ct
  • 4,300 g = 21,500 ct
  • 4,350 g = 21,750 ct
  • 4,400 g = 22,000 ct
  • 4,450 g = 22,250 ct
  • 4,500 g = 22,500 ct
  • 4,550 g = 22,750 ct
  • 4,600 g = 23,000 ct
  • 4,650 g = 23,250 ct
  • 4,700 g = 23,500 ct
  • 4,750 g = 23,750 ct
  • 4,800 g = 24,000 ct
  • 4,850 g = 24,250 ct
  • 4,900 g = 24,500 ct
  • 4,950 g = 24,750 ct
  • 5,000 g = 25,000 ct
  • 5,100 g = 25,500 ct
  • 5,200 g = 26,000 ct
  • 5,300 g = 26,500 ct
  • 5,400 g = 27,000 ct
  • 5,500 g = 27,500 ct
  • 5,600 g = 28,000 ct
  • 5,700 g = 28,500 ct
  • 5,800 g = 29,000 ct
  • 5,900 g = 29,500 ct
  • 6,000 g = 30,000 ct
  • 6,100 g = 30,500 ct
  • 6,200 g = 31,000 ct
  • 6,300 g = 31,500 ct
  • 6,400 g = 32,000 ct
  • 6,500 g = 32,500 ct
  • 6,600 g = 33,000 ct
  • 6,700 g = 33,500 ct
  • 6,800 g = 34,000 ct
  • 6,900 g = 34,500 ct
  • 7,000 g = 35,000 ct
  • 7,100 g = 35,500 ct
  • 7,200 g = 36,000 ct
  • 7,300 g = 36,500 ct
  • 7,400 g = 37,000 ct
  • 7,500 g = 37,500 ct
  • 7,600 g = 38,000 ct
  • 7,700 g = 38,500 ct
  • 7,800 g = 39,000 ct
  • 7,900 g = 39,500 ct
  • 8,000 g = 40,000 ct
  • 8,100 g = 40,500 ct
  • 8,200 g = 41,000 ct
  • 8,300 g = 41,500 ct
  • 8,400 g = 42,000 ct
  • 8,500 g = 42,500 ct
  • 8,600 g = 43,000 ct
  • 8,700 g = 43,500 ct
  • 8,800 g = 44,000 ct
  • 8,900 g = 44,500 ct
  • 9,000 g = 45,000 ct
  • 9,100 g = 45,500 ct
  • 9,200 g = 46,000 ct
  • 9,300 g = 46,500 ct
  • 9,400 g = 47,000 ct
  • 9,500 g = 47,500 ct
  • 9,600 g = 48,000 ct
  • 9,700 g = 48,500 ct
  • 9,800 g = 49,000 ct
  • 9,900 g = 49,500 ct
  • 10,000 g = 50,000 ct

Factors from the SI brochure (BIPM) and from NIST Special Publication 811. Methodology & sources.

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