1 carat = 0.2 grams
Convert carats to grams.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
1 row could not be read rows could not be read
The formula
g = ct × 0.2
Worked through with a real value: 10 carats = 2 grams.
Going the other way: ct = g × 5, so 1 gram = 5 carats.
What each unit is
- carat ct
- A fifth of a gram, exactly 0.2 grams. The unit for gemstones and precious metals in jewellery.
- gram g
- A thousandth of a kilogram, the everyday metric unit for food, medicine and small measurements.
Conversion tables
| carats (ct) | grams (g) |
|---|---|
| 1 | 0.2 |
| 2 | 0.4 |
| 3 | 0.6 |
| 4 | 0.8 |
| 5 | 1 |
| 6 | 1.2 |
| 7 | 1.4 |
| 8 | 1.6 |
| 9 | 1.8 |
| 10 | 2 |
| 20 | 4 |
| 25 | 5 |
| 50 | 10 |
| 75 | 15 |
| 100 | 20 |
| grams (g) | carats (ct) |
|---|---|
| 1 | 5 |
| 2 | 10 |
| 3 | 15 |
| 4 | 20 |
| 5 | 25 |
| 6 | 30 |
| 7 | 35 |
| 8 | 40 |
| 9 | 45 |
| 10 | 50 |
| 20 | 100 |
| 25 | 125 |
| 50 | 250 |
| 75 | 375 |
| 100 | 500 |
Questions
How many grams are in a carat?
1 carat = 0.2 grams.
How do I convert carats to grams?
Use g = ct × 0.2. For example, 10 carats = 2 grams.
How many carats are in one gram?
1 gram = 5 carats.
What is 10 carats in grams?
10 carats = 2 grams.
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