Direct conversion
Convert carat [ct] to gram [g] instantly with formula, examples, chart, and FAQs.
1 carat [ct] = 0.2 gram [g]
1 carat [ct] = 0.2 gram [g]
Example: 1 carat [ct] equals 0.2 gram [g].
Weight and mass conversions use kilogram as the reference unit. Common factors include 1 pound = 0.45359237 kilogram and 1 ounce = 0.028349523125 kilogram.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The carat (ct) is a weight unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse carat when comparing weight values, checking specifications, converting between systems, or preparing quick estimates.
The gram is a metric mass unit equal to one thousandth of a kilogram.
HistoryGrams are part of the metric system and became common for small everyday weights.
Current useGrams are used for food, nutrition, recipes, lab samples, postage, jewelry, and product labels.
| carat [ct] | gram [g] |
|---|---|
| 1 | 0.2 |
| 2 | 0.4 |
| 5 | 1 |
| 10 | 2 |
| 20 | 4 |
| 25 | 5 |
| 50 | 10 |
| 100 | 20 |
| 1000 | 200 |
Use this formula: 1 carat [ct] = 0.2 gram [g] Enter your value in the calculator and the result updates instantly.
1 carat [ct] equals 0.2 gram [g].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.