1 carat 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
Values either side of 1 ct.
| Carats (ct) | Micrograms (µg) |
|---|---|
| -4 | -800,000 |
| -3.5 | -700,000 |
| -3 | -600,000 |
| -2.5 | -500,000 |
| -2 | -400,000 |
| -1.5 | -300,000 |
| -1 | -200,000 |
| -0.5 | -100,000 |
| 0 | 0 |
| 0.5 | 100,000 |
| 1 | 200,000 |
| 1.5 | 300,000 |
| 2 | 400,000 |
| 2.5 | 500,000 |
| 3 | 600,000 |
| 3.5 | 700,000 |
| 4 | 800,000 |
| 4.5 | 900,000 |
| 5 | 1,000,000 |
| 5.5 | 1,100,000 |
| 6 | 1,200,000 |
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.