Carats to Grams Converter
Convert carats to grams with a free calculator
How to Convert Carats to Grams
Formula: 1 ct = 0.2 g
Multiply your carats value by 0.2 to get the equivalent in grams. The conversion factor 0.2 is based on the internationally accepted definitions of both units.
Carats to Grams Reference Table
| Carats (ct) | Grams (g) |
|---|---|
| 1 ct | 0.2 g |
| 5 ct | 1 g |
| 10 ct | 2 g |
| 25 ct | 5 g |
| 50 ct | 10 g |
| 100 ct | 20 g |
| 500 ct | 100 g |
| 1000 ct | 200 g |
Related Conversions
Frequently Asked Questions
How many grams is 1 carat? +
1 carat equals exactly 0.2 grams or 200 milligrams.
How heavy is a 1-carat diamond? +
A 1-carat diamond weighs 0.2 grams. For reference, a paperclip weighs about 1 gram, so a 1-carat diamond is about 1/5 of a paperclip.
Is a "karat" the same as a "carat"? +
No. Carat (ct) measures gemstone weight. Karat (K or kt) measures gold purity. 24K gold is pure gold, while a 1-carat diamond weighs 0.2 grams.