1 carat to grams
1 ct = 0.2 g. Change the amount below, or read the formula and the reference table further down.
1 carat equals
grams
1 ct = 0.2 g
The formula
Carats and grams both measure weight & mass from the same zero, so a single multiplier does the job.
g = ct × 0.2
Going the other way? Convert grams to carats.
Carats to grams table
Values either side of 1 ct.
| Carats (ct) | Grams (g) |
|---|---|
| -4 | -0.8 |
| -3.5 | -0.7 |
| -3 | -0.6 |
| -2.5 | -0.5 |
| -2 | -0.4 |
| -1.5 | -0.3 |
| -1 | -0.2 |
| -0.5 | -0.1 |
| 0 | 0 |
| 0.5 | 0.1 |
| 1 | 0.2 |
| 1.5 | 0.3 |
| 2 | 0.4 |
| 2.5 | 0.5 |
| 3 | 0.6 |
| 3.5 | 0.7 |
| 4 | 0.8 |
| 4.5 | 0.9 |
| 5 | 1 |
| 5.5 | 1.1 |
| 6 | 1.2 |
Questions people ask
- How many grams are in a carat?
- One carat equals 0.2 grams.
- How do I convert carats to grams by hand?
- Multiply the number of carats by 0.2. For a rough check, 0.2 is close enough for most everyday use.
- What is 1 carat in grams?
- 1 carat is 0.2 grams.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.