Handy Units
Grams to Caratsg → ct
1 g = 5 ct · 1 ct = 0.2 g
Formula
ct = g × 5
Example: 100 g = 100 × 5 = 500 ct
These units differ only by a fixed factor: multiply by it to convert, divide to go back. The factors are exact international definitions (for example 1 inch = 2.54 cm exactly); results are rounded only for display.
Grams and Carats chart
| Grams (g) | Carats (ct) |
|---|---|
| 1 g | 5 ct |
| 5 g | 25 ct |
| 10 g | 50 ct |
| 50 g | 250 ct |
| 100 g | 500 ct |
| 250 g | 1,250 ct |
| 500 g | 2,500 ct |
| 1,000 g | 5,000 ct |
| Carats (ct) | Grams (g) |
|---|---|
| 0.1 ct | 0.02 g |
| 0.25 ct | 0.05 g |
| 0.5 ct | 0.1 g |
| 1 ct | 0.2 g |
| 1.5 ct | 0.3 g |
| 2 ct | 0.4 g |
| 3 ct | 0.6 g |
| 5 ct | 1 g |
About these units
Gram (g)1 g = 0.001 kg; used in recipes and on food labels.
Carat (ct)The metric carat for gemstones: 1 ct = 0.2 g exactly. Not to be confused with karat (K), the purity of gold.
Questions
How many Carats are in 1 Grams?
1 g = 5 ct.
How many Grams are in 1 Carats?
1 ct = 0.2 g.
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