Ring size 5 is equivalent to domestic size 9. The size range of the US size ring is between size 5 and size 12. The circumference of the US size 5 ring is 49.3mm, and the diameter is 15.7mm, which is close to the domestic mainland and Hong Kong versions of size 9.
Precautions for choosing ring size
1. Some rings are in the style of group setting with broken diamonds, and it is very troublesome to change the ring later, or even impossible to change it at all. Therefore, it is necessary to accurately measure the finger size, try to measure it several times, and take the average value.
2. According to the principle of thermal expansion and contraction, when buying a ring in winter, it is advisable to rotate the ring left and right after wearing it, but it is not easy to fall off. It is usually one to half a size smaller than in summer; In summer, it is advisable to feel slightly tight after wearing it.
3. When purchasing rings from domestic brands, it is necessary to compare them with the finger ring standards of domestic rings; When purchasing rings from foreign brands, it is best to measure the size according to the measurement method provided on their official website and compare it with the ring size comparison table on the website.