100 carats to milligrams
100 ct = 20,000 mg. Change the amount below, or read the formula and the reference table further down.
100 carats equals
milligrams
1 ct = 200 mg
The formula
Carats and milligrams both measure weight & mass from the same zero, so a single multiplier does the job.
mg = ct × 200
Going the other way? Convert milligrams to carats.
Carats to milligrams table
Values either side of 100 ct.
| Carats (ct) | Milligrams (mg) |
|---|---|
| 0 | 0 |
| 10 | 2,000 |
| 20 | 4,000 |
| 30 | 6,000 |
| 40 | 8,000 |
| 50 | 10,000 |
| 60 | 12,000 |
| 70 | 14,000 |
| 80 | 16,000 |
| 90 | 18,000 |
| 100 | 20,000 |
| 110 | 22,000 |
| 120 | 24,000 |
| 130 | 26,000 |
| 140 | 28,000 |
| 150 | 30,000 |
| 160 | 32,000 |
| 170 | 34,000 |
| 180 | 36,000 |
| 190 | 38,000 |
| 200 | 40,000 |
Questions people ask
- How many milligrams are in a carat?
- One carat equals 200 milligrams.
- How do I convert carats to milligrams by hand?
- Multiply the number of carats by 200. For a rough check, 200 is close enough for most everyday use.
- What is 100 carats in milligrams?
- 100 carats is 20,000 milligrams.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.