Convert Carat to Microgram
Use this free converter to change carats (ct) into micrograms (µg). Carat and microgram both measure weight & mass. As a quick reference, 1 ct equals 200000 µg, and 1 µg equals 0.000005 ct.
Free · runs in your browser · no sign-up
Microgram (µg)
200000
1 ct = 200000 µg
Weight & Mass conversion table
| Carat | Microgram |
|---|---|
| 0.01 | 2000 |
| 0.1 | 20000 |
| 0.5 | 100000 |
| 1 | 200000 |
| 2 | 400000 |
| 3 | 600000 |
| 5 | 1000000 |
| 10 | 2000000 |
| 20 | 4000000 |
| 25 | 5000000 |
| 50 | 10000000 |
| 100 | 20000000 |
| 1,000 | 200000000 |
How to convert Carat to Microgram
Multiply the carat value by 200000 to get micrograms.
- Enter the number of carats you want to convert.
- The converter instantly shows the equivalent value in micrograms.
- Worked example: 15 ct × 200000 = 3000000 µg.
- Use the swap button to reverse the conversion (microgram to carat).
About these units
Carat (ct)
- Definition
- A carat (ct) is a unit of mass for gemstones equal to exactly 200 milligrams.
- History
- It takes its name from the carob seed, once used as a counterweight, and was standardised at 0.2 g in 1907.
- Current use
- Carats express the weight of diamonds and other precious stones in the jewellery trade.
Microgram (µg)
- Definition
- A microgram (µg) is one millionth of a gram, used for trace amounts of substances.
- History
- It uses the SI prefix "micro-" (one millionth) and is sometimes written "mcg" on labels to avoid confusion.
- Current use
- Micrograms measure potent drugs, hormones, and micronutrients like vitamin B12 and folate.
Frequently asked questions
How many micrograms are in a carat?
There are 200000 µg in 1 ct. To convert, multiply the number of carats by 200000.
How do I convert carats to micrograms?
Multiply the carat value by 200000 to get micrograms. For example, 10 ct = 2000000 µg.
Is this carat-to-microgram converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Carat to other weight & mass units
| Unit | 1 Carat equals |
|---|---|
| Kilogram (kg) | 0.0002 kg |
| Gram (g) | 0.2 g |
| Milligram (mg) | 200 mg |
| Microgram (µg) | 200000 µg |
| Metric Ton (t) | 2.0000e-7 t |
| Pound (lb) | 0.00044092452 lb |
| Ounce (oz) | 0.0070547924 oz |
| Stone (st) | 0.000031494609 st |
| US Ton (ton) | 2.2046e-7 ton |
| Imperial Ton (long ton) | 1.9684e-7 long ton |