The following table provides conversion information for precious metal bullion purity measures.
Most modern Gold bullion purity is measured in parts of one thousand (Millesimal fineness), older bullion and most Jewellry purity is measured in Carats (or karats) a unit of 1/24 purity for gold.
Karats |
Millesimal fineness |
| 24k |
999+ |
| 23k |
958.3 |
| 22k |
916 |
| 20k |
833 |
| 18k |
750 |
| 15k |
625 |
| 14k |
585 |
| 10k |
417 |
| 9k |
375 |
| 8k |
333 |