Convert milligram (mg) to carat (ct).
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Carat to Milligram Converter (ct to mg)
Convert carat (ct) to milligram (mg).Unit Converter · Mass
Quick answer
1 carat (ct) is equal to 200 milligrams (mg). 1 milligram (mg) is equal to 0.005 carats (ct).
To convert ct to mg, multiply the value in carats by 200. For example, 10 ct = 2,000 mg, and 100 ct = 20,000 mg.
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Quick reference — carat to milligram
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How to convert carats to milligrams
How many milligrams are in a carat? 1 carat is 200 milligrams. This free ct to mg converter and carat to milligram calculator gives the answer instantly for any value.
To convert carat (ct) to milligram (mg), multiply the value in carats by 200.
mg = ct × 200
- 1
Take the value in carats
For example, 25 ct.
- 2
Multiply by 200
25 × 200.
- 3
Read the answer in milligrams
25 ct = 5,000 mg.
Carat to Milligram conversion table
Common values from 1 to 1,000 carats converted to milligrams.
| Carat (ct) | Milligram (mg) |
|---|---|
| 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 |
| 15 ct | 3,000 mg |
| 20 ct | 4,000 mg |
| 25 ct | 5,000 mg |
| Carat (ct) | Milligram (mg) |
|---|---|
| 30 ct | 6,000 mg |
| 40 ct | 8,000 mg |
| 50 ct | 10,000 mg |
| 60 ct | 12,000 mg |
| 70 ct | 14,000 mg |
| 75 ct | 15,000 mg |
| 80 ct | 16,000 mg |
| 90 ct | 18,000 mg |
| 100 ct | 20,000 mg |
| 250 ct | 50,000 mg |
| 500 ct | 1,00,000 mg |
| 1,000 ct | 2,00,000 mg |
About carats and milligrams
Carat (ct)
A carat (ct) is exactly 200 milligrams (0.2 gram). It is the unit for the weight of diamonds and other gemstones, and is not the same as the karat that measures gold purity.
Milligram (mg)
A milligram (mg) is one thousandth of a gram. It is the common unit for medicine doses and nutrients on food labels.
ct to mg: common questions
- How many milligrams are in 1 carat?
- 1 carat (ct) is equal to 200 milligrams (mg). In short: 1 ct = 200 mg.
- How do I convert carats to milligrams?
- To convert ct to mg, multiply the value in carats by 200. For example, 5 ct = 1,000 mg.
- How do I convert milligrams to carats?
- To convert mg to ct, divide the value in milligrams by 200. Or open the Milligram to Carat converter, which does it for you.
- What is 10 ct in mg, and what is 100 ct?
- 10 ct = 2,000 mg, and 100 ct = 20,000 mg. The table above lists more values from 1 to 1,000.
- Is this ct to mg converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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