Convert carats to micrograms
1 ct = 200000 µg — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
200 000µg
Exact decimal: 200000
1 ct = 200000 µg
How to convert carats to micrograms
Multiply the number of carats by 200000 to get micrograms.
The exact factor is 200000 .
Carat: The metric carat: exactly 200 mg.
Carat to Microgram conversion table
| Carats (ct) | Micrograms (µg) |
|---|---|
| 1 ct | 200 000 |
| 2 ct | 400 000 |
| 3 ct | 600 000 |
| 5 ct | 1 000 000 |
| 10 ct | 2 000 000 |
| 20 ct | 4 000 000 |
| 25 ct | 5 000 000 |
| 50 ct | 10 000 000 |
| 100 ct | 20 000 000 |
| 250 ct | 50 000 000 |
| 500 ct | 100 000 000 |
| 1000 ct | 200 000 000 |
Microgram to Carat conversion table
| Micrograms (µg) | Carats (ct) |
|---|---|
| 1 µg | 0.000 005 |
| 2 µg | 0.000 01 |
| 3 µg | 0.000 015 |
| 5 µg | 0.000 025 |
| 10 µg | 0.000 05 |
| 20 µg | 0.0001 |
| 25 µg | 0.000 125 |
| 50 µg | 0.000 25 |
| 100 µg | 0.0005 |
| 250 µg | 0.001 25 |
| 500 µg | 0.0025 |
| 1000 µg | 0.005 |
Frequently asked
How many micrograms are in a carat?
One carat equals 200000 micrograms (ct → µg). That figure is exact, not rounded.
How do you convert carats to micrograms?
Multiply the number of carats by 200000 to get micrograms.
What is 1 µg in carats?
One microgram is 0.000005 carats.
What is 10 ct in µg?
10 ct = 2 000 000 µg.
What exactly is a carat?
The metric carat: exactly 200 mg.