Carat (metric) to Grain (ct → gr)
Convert carat (metric) to grain instantly. The conversion factor below is exact by international definition.
Realtime·mass·metric
Exact
ct
× 3.0865
gr
3.0865
Precision [auto]
6
📐ct to gr formulaExact
gr = ct × 3.086471670588
Inverse: ct = gr × 0.32399455
Worked example: 1 ct = 3.086471670588 gr
ℹ️About these units
Carat (metric) (ct)
Gemstones; 1 ct = 200 mg exact.
Grain (gr)
Source: 1 gr = 64.79891 mg exact.
📊Reference table: ct → gr
| Carat (metric) (ct) | Grain (gr) |
|---|---|
| 1 | 3.0865 |
| 2 | 6.1729 |
| 5 | 15.4324 |
| 10 | 30.8647 |
| 15 | 46.2971 |
| 20 | 61.7294 |
| 25 | 77.1618 |
| 50 | 154.3236 |
| 100 | 308.6472 |
| 250 | 771.6179 |
| 500 | 1,543.24 |
| 750 | 2,314.85 |
| 1,000 | 3,086.47 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=carat&to=grainEmbed this converter
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