Convert Microgram to Carat
Use this free converter to change micrograms (µg) into carats (ct). Microgram and carat both measure weight & mass. As a quick reference, 1 µg equals 0.000005 ct, and 1 ct equals 200000 µg.
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Carat (ct)
0.000005
1 µg = 0.000005 ct
Weight & Mass conversion table
| Microgram | Carat |
|---|---|
| 0.01 | 5.0000e-8 |
| 0.1 | 5.0000e-7 |
| 0.5 | 0.0000025 |
| 1 | 0.000005 |
| 2 | 0.00001 |
| 3 | 0.000015 |
| 5 | 0.000025 |
| 10 | 0.00005 |
| 20 | 0.0001 |
| 25 | 0.000125 |
| 50 | 0.00025 |
| 100 | 0.0005 |
| 1,000 | 0.005 |
How to convert Microgram to Carat
Multiply the microgram value by 0.000005 to get carats.
- Enter the number of micrograms you want to convert.
- The converter instantly shows the equivalent value in carats.
- Worked example: 15 µg × 0.000005 = 0.000075 ct.
- Use the swap button to reverse the conversion (carat to microgram).
About these units
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.
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.
Frequently asked questions
How many carats are in a microgram?
There are 0.000005 ct in 1 µg. To convert, multiply the number of micrograms by 0.000005.
How do I convert micrograms to carats?
Multiply the microgram value by 0.000005 to get carats. For example, 10 µg = 0.00005 ct.
Is this microgram-to-carat 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 Microgram to other weight & mass units
| Unit | 1 Microgram equals |
|---|---|
| Kilogram (kg) | 1.0000e-9 kg |
| Gram (g) | 0.000001 g |
| Milligram (mg) | 0.001 mg |
| Metric Ton (t) | 1.0000e-12 t |
| Pound (lb) | 2.2046e-9 lb |
| Ounce (oz) | 3.5274e-8 oz |
| Stone (st) | 1.5747e-10 st |
| US Ton (ton) | 1.1023e-12 ton |
| Imperial Ton (long ton) | 9.8421e-13 long ton |
| Carat (ct) | 0.000005 ct |