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Carat to Milligram
Convert Carat to Milligram and get the exact value instantly.
1 ct = 200 mg
About this conversion
To convert Carat to Milligram, multiply the number of Carat by 200.
Weight units split between the metric world (grams, kilograms) and imperial habits (pounds, ounces, stones), which is why shipping labels, recipes and gym plates rarely line up without a conversion.
Conversion table
| Carat (ct) | Milligram (mg) |
|---|---|
| 1 ct | 200 mg |
| 2 ct | 400 mg |
| 5 ct | 1000 mg |
| 10 ct | 2000 mg |
| 100 ct | 20000 mg |
How to use this converter
- Enter your Carat value
Type any number into the Carat field. It starts at 1 so you can read the rate straight away.
- Read the Milligram result
The amount in Milligram updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many Milligram are in one Carat?
- One Carat equals 200 mg. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The Carat to Milligram conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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