Convert ounces 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 ounce = 141.748 Carat (Metric)
Carat (Metric) = ounces × 141.74762
Convert any amount
ounces to Carat (Metric) table
| ounces | Carat (Metric) |
|---|---|
| 0.25 ounces | 35.4369 Carat (Metric) |
| 0.5 ounces | 70.8738 Carat (Metric) |
| 1 ounce | 141.748 Carat (Metric) |
| 2 ounces | 283.495 Carat (Metric) |
| 3 ounces | 425.243 Carat (Metric) |
| 4 ounces | 566.99 Carat (Metric) |
| 5 ounces | 708.738 Carat (Metric) |
| 10 ounces | 1,417.48 Carat (Metric) |
| 20 ounces | 2,834.95 Carat (Metric) |
| 25 ounces | 3,543.69 Carat (Metric) |
| 50 ounces | 7,087.38 Carat (Metric) |
| 100 ounces | 14,174.8 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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 ounce?
1 ounce = 141.748 Carat (Metric). Multiply the number of ounces by 141.74762 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 ounces to Carat (Metric). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/ounce-to-carat
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