CN Size 18 in US — Unisex Rings
CN 18 =
US 9
Chinese (CN) unisex rings size 18 converts to United States (US) size 9. This is a standard conversion used across most major rings brands and retailers.
When shopping from United States brands like Tiffany & Co., Kay Jewelers, Blue Nile, look for size 9 on the label. Keep in mind that sizing can vary slightly between brands, so always check the specific brand's size chart if available.
For reference, one size down (CN 17) is US 8.5, and one size up (CN 19) is US 9.5. If you're between sizes, most fitting guides recommend sizing up for comfort.
This conversion is especially useful for international shoppers purchasing unisex from United States retailers or ordering Chinese-sized products from brands like Chow Tai Fook or Luk Fook to ship internationally.
Quick Converter
CN 18 =
US 9
Full CN to US Unisex Rings Size Chart
| CN | US |
|---|---|
| 4 | 3 |
| 5 | 3.5 |
| 7 | 4 |
| 8 | 4.5 |
| 9 | 5 |
| 10 | 5.5 |
| 12 | 6 |
| 13 | 6.5 |
| 14 | 7 |
| 15 | 7.5 |
| 16 | 8 |
| 17 | 8.5 |
| 18 | 9 |
| 19 | 9.5 |
| 20 | 10 |
| 21 | 10.5 |
| 22 | 11 |
| 23 | 11.5 |
| 24 | 12 |
| 25 | 12.5 |
| 26 | 13 |
| 27 | 13.5 |
| 28 | 14 |
| 30 | 15 |
Frequently Asked Questions
- What is CN unisex rings size 18 in US?
- CN unisex rings size 18 is equivalent to US size 9.
- Is CN size 18 the same as US size 9?
- Yes, CN size 18 and US size 9 are equivalent in unisex rings sizing. However, fit may vary slightly between brands.
- What if CN size 18 is too small — what's the next size up in US?
- The next size up from CN 18 is CN 19, which converts to US 9.5.