Convert grams to Carat (Metric)
Western Europe · European Weight · standardized · modern
Exact by definition The unit is fixed by statute or standard against an exactly defined anchor, so the only rounding is in the digits displayed.
1 gram = 5 Carat (Metric)
Carat (Metric) = grams × 5
Convert any amount
grams to Carat (Metric) table
| grams | Carat (Metric) |
|---|---|
| 0.25 grams | 1.25 Carat (Metric) |
| 0.5 grams | 2.5 Carat (Metric) |
| 1 gram | 5 Carat (Metric) |
| 2 grams | 10 Carat (Metric) |
| 3 grams | 15 Carat (Metric) |
| 4 grams | 20 Carat (Metric) |
| 5 grams | 25 Carat (Metric) |
| 10 grams | 50 Carat (Metric) |
| 20 grams | 100 Carat (Metric) |
| 25 grams | 125 Carat (Metric) |
| 50 grams | 250 Carat (Metric) |
| 100 grams | 500 Carat (Metric) |
About the Carat (Metric)
International gemstone weight. 1 Carat = 0.2g exactly.
- Symbol
- ct
- Value in SI
- 1 Carat (Metric) = 0.0002 kilogram
- Typical use
- jewellery
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI kilogram. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other european weight units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many Carat (Metric) are in a gram?
1 gram = 5 Carat (Metric). Multiply the number of grams by 5 to get Carat (Metric).
What is Carat (Metric) used for?
International gemstone weight. 1 Carat = 0.2g exactly. It is classified as standardized and dates from the modern period.
Is the Carat (Metric) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI kilogram, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Carat (Metric) conversion?
Exact by definition — The unit is fixed by statute or standard against an exactly defined anchor, so the only rounding is in the digits displayed. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert grams to Carat (Metric). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/gram-to-carat
Report an incorrect value or source
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