Convert Grams to carats
1 gram = 5 carats · ct = g × 5
When you need this conversion
Gemstone pricing runs on carats, where one carat is exactly 0.2 grams, so the conversion establishes what a stone actually weighs. It is distinct from karat, which measures gold purity rather than weight.
Grams to carats conversion table
| Grams (g) | Carats (ct) |
|---|---|
| 1 g | 5 ct |
| 2 g | 10 ct |
| 3 g | 15 ct |
| 5 g | 25 ct |
| 10 g | 50 ct |
| 15 g | 75 ct |
| 20 g | 100 ct |
| 25 g | 125 ct |
| 50 g | 250 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 |
The formula
ct = g × 5Because both units measure weight, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Carats to grams →Related weight conversions
- Grams to ounces
- Kilograms to pounds
- Kilograms to stones
- Metric tons to US tons
- Ounces to grams
- Pounds to kilograms
- Stones to kilograms
- US tons to metric tons
- Milligrams to carats
- Grams to milligrams
- Grams to kilograms
- Grams to metric tons
Frequently asked questions
- How many carats are in a gram?
- There are 5 carats in 1 gram. The formula is ct = g × 5.
- How do you convert grams to carats?
- Use the formula ct = g × 5. For example, 10 grams equals 50 carats.
- Is the grams to carats conversion exact?
- Yes. Grams and carats are both units of weight, related by an exact defined factor. Displayed results are rounded for readability.
- What is g short for?
- g is the standard symbol for gram. ct is the symbol for carat.