Convert carats to micrograms
1 ct = 200,000 µg. Change the amount below, or read the formula and the reference table further down.
1 carat equals
micrograms
1 ct = 200,000 µg
The formula
Carats and micrograms both measure weight & mass from the same zero, so a single multiplier does the job.
µg = ct × 200,000
Going the other way? Convert micrograms to carats.
Carats to micrograms table
Common values, rounded for reading.
| Carats (ct) | Micrograms (µg) |
|---|---|
| 1 | 200,000 |
| 2 | 400,000 |
| 3 | 600,000 |
| 4 | 800,000 |
| 5 | 1,000,000 |
| 6 | 1,200,000 |
| 7 | 1,400,000 |
| 8 | 1,600,000 |
| 9 | 1,800,000 |
| 10 | 2,000,000 |
| 15 | 3,000,000 |
| 20 | 4,000,000 |
| 25 | 5,000,000 |
| 30 | 6,000,000 |
| 40 | 8,000,000 |
| 50 | 10,000,000 |
| 75 | 15,000,000 |
| 100 | 20,000,000 |
| 250 | 50,000,000 |
| 500 | 100,000,000 |
| 1,000 | 200,000,000 |
Questions people ask
- How many micrograms are in a carat?
- One carat equals 200,000 micrograms.
- How do I convert carats to micrograms by hand?
- Multiply the number of carats by 200,000. For a rough check, 200,000 is close enough for most everyday use.
- What is 1 carat in micrograms?
- 1 carat is 200,000 micrograms.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.