Convert Milligrams to Carats
1 milligram = 0.005 carats. Type any value below to convert in either direction — the calculation happens in your browser.
Milligrams to Carats formula
Multiply the number of milligrams by 0.005 to get carats.
carats = milligrams × 0.005
To go the other way: divide the number of carats by 0.005, or multiply by 200.
milligrams = carats ÷ 0.005
Milligrams to Carats conversion table
| Milligrams | Carats |
|---|---|
| 1 mg | 0.005 ct |
| 2 mg | 0.01 ct |
| 3 mg | 0.015 ct |
| 4 mg | 0.02 ct |
| 5 mg | 0.025 ct |
| 6 mg | 0.03 ct |
| 7 mg | 0.035 ct |
| 8 mg | 0.04 ct |
| 9 mg | 0.045 ct |
| 10 mg | 0.05 ct |
| 15 mg | 0.075 ct |
| 20 mg | 0.1 ct |
| 25 mg | 0.125 ct |
| 30 mg | 0.15 ct |
| 40 mg | 0.2 ct |
| 50 mg | 0.25 ct |
| 75 mg | 0.375 ct |
| 100 mg | 0.5 ct |
| 250 mg | 1.25 ct |
| 500 mg | 2.5 ct |
| 1,000 mg | 5 ct |
Carats to Milligrams conversion table
| Carats | Milligrams |
|---|---|
| 1 ct | 200 mg |
| 2 ct | 400 mg |
| 3 ct | 600 mg |
| 4 ct | 800 mg |
| 5 ct | 1,000 mg |
| 6 ct | 1,200 mg |
| 7 ct | 1,400 mg |
| 8 ct | 1,600 mg |
| 9 ct | 1,800 mg |
| 10 ct | 2,000 mg |
About the milligram
A milligram is one thousandth of a gram, the standard unit for medication doses and nutrient content.
About the carat
A metric carat is exactly 200 milligrams and is the mass unit for gemstones and pearls.
Frequently asked questions
How many carats are in a milligram?
There are 0.005 carats in one milligram.
How many milligrams are in a carat?
There are 200 milligrams in one carat.
Is this conversion exact?
The ratio between the milligram and the carat is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 milligrams in carats?
10 milligrams equals 0.05 carats.