100 carats to grams
100 ct = 20 g. Change the amount below, or read the formula and the reference table further down.
100 carats 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 100 ct.
| Carats (ct) | Grams (g) |
|---|---|
| 0 | 0 |
| 10 | 2 |
| 20 | 4 |
| 30 | 6 |
| 40 | 8 |
| 50 | 10 |
| 60 | 12 |
| 70 | 14 |
| 80 | 16 |
| 90 | 18 |
| 100 | 20 |
| 110 | 22 |
| 120 | 24 |
| 130 | 26 |
| 140 | 28 |
| 150 | 30 |
| 160 | 32 |
| 170 | 34 |
| 180 | 36 |
| 190 | 38 |
| 200 | 40 |
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 100 carats in grams?
- 100 carats is 20 grams.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.