Carats to Grams Converter
1 ct = 0.2 g. Type any value to convert carats to grams.
Carats to grams table
Formula: g = ct × 0.2
| Carat (ct) | Gram (g) |
|---|---|
| 0.1 ct | 0.02 g |
| 0.25 ct | 0.05 g |
| 0.5 ct | 0.1 g |
| 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 |
| 12 ct | 2.4 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 |
| 60 ct | 12 g |
| 75 ct | 15 g |
| 100 ct | 20 g |
| 150 ct | 30 g |
| 200 ct | 40 g |
| 250 ct | 50 g |
| 500 ct | 100 g |
| 1,000 ct | 200 g |
How to use: Carats to Grams
- 1 Type the value in carats.
- 2 The result in grams appears at once – or type in the grams field to convert back.
- 3 Pick a common value, round to fewer decimals or swap the units with one click.
- 4 Copy the result, or open “In every unit” to see the value in all units of mass.
About this tool
Carat (ct) is a unit of mass (metric, accepted for use with the SI); 1 ct = 0.0002 kg. Gram (g) is a unit of mass (SI); 1 g = 0.001 kg.
To convert carats to grams, multiply the value by 0.2 (g = ct × 0.2). Example: 10 ct = 2 g.
Calculated in your browser – nothing you type is sent anywhere.
Frequently asked questions
How do I convert carats to grams?
To convert carats to grams, multiply the value by 0.2: g = ct × 0.2. For example 10 ct = 2 g.
What is 1 ct in grams?
1 ct = 0.2 g. The other way round, 1 g = 5 ct.
How exact is the result?
The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.
Can I convert other units of mass here?
Yes – choose any of the 14 units of mass in the From and To lists, or switch to another measurement at the top.