Carat to Milligram Conversion Chart

This chart converts Carat (ct) to Milligram (mg) using the factor 200. One ct equals 200 mg; one mg equals 0.005 ct.

mg = ct × 200

ct	mg
1	200
2	400
3	600
4	800
5	1,000
6	1,200
7	1,400
8	1,600
9	1,800
10	2,000
11	2,200
12	2,400
13	2,600
14	2,800
15	3,000
16	3,200
17	3,400
18	3,600
19	3,800
20	4,000
21	4,200
22	4,400
23	4,600
24	4,800
25	5,000
26	5,200
27	5,400
28	5,600
29	5,800
30	6,000
31	6,200
32	6,400
33	6,600
34	6,800
35	7,000
36	7,200
37	7,400
38	7,600
39	7,800
40	8,000
41	8,200
42	8,400
43	8,600
44	8,800
45	9,000
46	9,200
47	9,400
48	9,600
49	9,800
50	10,000

ct	mg
51	10,200
52	10,400
53	10,600
54	10,800
55	11,000
56	11,200
57	11,400
58	11,600
59	11,800
60	12,000
61	12,200
62	12,400
63	12,600
64	12,800
65	13,000
66	13,200
67	13,400
68	13,600
69	13,800
70	14,000
71	14,200
72	14,400
73	14,600
74	14,800
75	15,000
76	15,200
77	15,400
78	15,600
79	15,800
80	16,000
81	16,200
82	16,400
83	16,600
84	16,800
85	17,000
86	17,200
87	17,400
88	17,600
89	17,800
90	18,000
91	18,200
92	18,400
93	18,600
94	18,800
95	19,000
96	19,200
97	19,400
98	19,600
99	19,800
100	20,000

How to use this chart

Find the ct value in the left column and read its mg equivalent on the right. Every row uses the same conversion factor, so the printable table is suitable for quick reference without recalculating each value.

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