To convert grams to carats, use carats = grams × 5. For example, 5 g = 25 ct.
How to convert Grams to Carats
- Type the value in grams.
- The answer in carats appears instantly, with the formula.
- Use ⇄ to swap the direction, or pick other units.
Grams to Carats formula
carats = grams × 5
Example: 5 g = 25 ct.
Reverse: 1 ct = 0.2 g (see Carats to Grams).
Grams to Carats conversion table
| Gram (g) | Carat (ct) |
|---|---|
| 1 | 5 |
| 5 | 25 |
| 10 | 50 |
| 20 | 100 |
| 25 | 125 |
| 50 | 250 |
| 75 | 375 |
| 100 | 500 |
| 125 | 625 |
| 150 | 750 |
| 200 | 1,000 |
| 250 | 1,250 |
| 300 | 1,500 |
| 400 | 2,000 |
| 500 | 2,500 |
| 600 | 3,000 |
| 750 | 3,750 |
| 800 | 4,000 |
| 1,000 | 5,000 |
| 1,500 | 7,500 |
| 2,000 | 10,000 |
| 5,000 | 25,000 |
| 10,000 | 50,000 |
About these units
Gram (g): One thousandth of a kilogram. Used for food, gold and small items.
Carat (ct): Exactly 200 mg. Used to weigh gemstones and diamonds.
Frequently asked questions
How many carats are in a gram?
There are 5 carats in one gram.
How do I convert grams to carats?
carats = grams × 5. Example: 5 g = 25 ct.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested