Convert Carats to Grams
1 carat = 0.2 grams. Type any value below to convert in either direction — the calculation happens in your browser.
Carats to Grams formula
Multiply the number of carats by 0.2 to get grams.
grams = carats × 0.2
To go the other way: divide the number of grams by 0.2, or multiply by 5.
carats = grams ÷ 0.2
Carats to Grams conversion table
| Carats | Grams |
|---|---|
| 1 ct | 0.2 g |
| 2 ct | 0.4 g |
| 3 ct | 0.6 g |
| 4 ct | 0.8 g |
| 5 ct | 1 g |
| 6 ct | 1.2 g |
| 7 ct | 1.4 g |
| 8 ct | 1.6 g |
| 9 ct | 1.8 g |
| 10 ct | 2 g |
| 15 ct | 3 g |
| 20 ct | 4 g |
| 25 ct | 5 g |
| 30 ct | 6 g |
| 40 ct | 8 g |
| 50 ct | 10 g |
| 75 ct | 15 g |
| 100 ct | 20 g |
| 250 ct | 50 g |
| 500 ct | 100 g |
| 1,000 ct | 200 g |
Grams to Carats conversion table
| Grams | Carats |
|---|---|
| 1 g | 5 ct |
| 2 g | 10 ct |
| 3 g | 15 ct |
| 4 g | 20 ct |
| 5 g | 25 ct |
| 6 g | 30 ct |
| 7 g | 35 ct |
| 8 g | 40 ct |
| 9 g | 45 ct |
| 10 g | 50 ct |
About the carat
A metric carat is exactly 200 milligrams and is the mass unit for gemstones and pearls.
About the gram
A gram is one thousandth of a kilogram and is the everyday unit for food and small quantities.
Frequently asked questions
How many grams are in a carat?
There are 0.2 grams in one carat.
How many carats are in a gram?
There are 5 carats in one gram.
Is this conversion exact?
The ratio between the carat and the gram is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 carats in grams?
10 carats equals 2 grams.