How to convert grams to carats
To convert grams (g) to carats (ct), multiply the value in grams by 5.
ct = g × 5
Example: 10 g = 50 ct.
You can also type 10 g to ct into the smart calculator, or mix units: 1 g + 1 ct.
Grams to Carats conversion table
| Grams | Carats |
|---|---|
| 0.01 g | 0.05 ct |
| 0.1 g | 0.5 ct |
| 0.25 g | 1.25 ct |
| 0.5 g | 2.5 ct |
| 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 |
| 12 g | 60 ct |
| 15 g | 75 ct |
| 20 g | 100 ct |
| 25 g | 125 ct |
| 30 g | 150 ct |
| 40 g | 200 ct |
| 50 g | 250 ct |
| 60 g | 300 ct |
| 75 g | 375 ct |
| 100 g | 500 ct |
| 250 g | 1,250 ct |
| 500 g | 2,500 ct |
| 1,000 g | 5,000 ct |
Converting carats back to grams
1 ct = 0.2 g. See the Carats to Grams converter, or press the swap button above.
About the units
Gram (g)
One thousandth of a kilogram.
Carat (ct)
Exactly 200 milligrams, used for gemstones. Not the same as the karat purity scale for gold.
Mass is the amount of matter in an object; in everyday speech it is called weight. The SI base unit is the kilogram, defined since 2019 through the Planck constant. The international avoirdupois pound is defined as exactly 0.45359237 kilograms.
Questions and answers
How many carats are in a gram?
One gram (g) equals 5 carats (ct).
How do I convert grams to carats?
To convert grams to carats, multiply the value in grams by 5. The formula is ct = g × 5. For example, 10 g = 50 ct.
What is 10 g in ct?
10 grams is 50 carats.
Which is bigger, a gram or a carat?
A gram is bigger: 1 g = 5 ct.
What is the difference between a ton and a tonne?
A tonne (metric ton) is 1,000 kg. A US short ton is 2,000 lb (907.18 kg) and an imperial long ton is 2,240 lb (1,016.05 kg).
Does this g to ct converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.