Carat to Milligram Converter
Convert carats to milligrams (ct to mg) instantly with this free online weight converter. Enter any value in the Carat field and get the equivalent in Milligram immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results.
The conversion factor is exact: 1 ct = 200 mg. To convert carats to milligrams, multiply your Carat value by 200. For example, 10 ct = 2000 mg. You can also reverse the calculation: 1 mg = 0.005 ct.
Quick conversion table
| Carat (ct) | Milligram (mg) |
|---|---|
| 1 ct | 200 mg |
| 5 ct | 1000 mg |
| 10 ct | 2000 mg |
| 25 ct | 5000 mg |
| 50 ct | 10000 mg |
| 100 ct | 20000 mg |
Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the weight category.
Formula
Carat to Milligram conversion: 1 ct = 200 mg milligrams = carats × 200 1 mg = 0.005 ct carats = milligrams × 0.005
Example
Example: Convert 10 ct to mg: 10 ct × 200 = 2000 mg So, 10 ct is about 2000 mg. To convert back, multiply by 0.005: 2000 mg × 0.005 = 10 ct.
How to Use
- Enter the value you want to convert in the Carat field
- The result in Milligram appears instantly below
- Use the dropdown menus to change units if needed
- Click 'Swap Units' to reverse the conversion direction
- Copy the result or adjust the input for a new conversion
Frequently Asked Questions
How do I convert carats to milligrams?
Enter the value in Carat (ct) in the 'From' field. The equivalent in Milligram (mg) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.
What is the formula to convert ct to mg?
1 ct = 200 mg, so milligrams = carats × 200. To convert back, 1 mg = 0.005 ct. The full formula and a worked example are shown on this page.
How many milligrams are in one Carat?
1 ct = 200 mg.
Is this Carat to Milligram converter free?
Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.
Can I convert milligrams back to carats?
Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other weight unit for either field.
How accurate is the ct to mg conversion?
The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.