The size of the ring is divided into "American" and "Hong Kong". Before buying a ring, we will measure the circumference of our fingers with a tool, and when we buy it, we will know which size ring to buy by comparing the ring size table. Domestic ring shops generally use "Hong Kong number" as the measurement unit of ring size.

How to calculate the ring size in extended data perimeter measurement

1. Tools for measuring ring size: inelastic line, ruler, pen and scissors.

2. Wrap the rope around the finger twice at the root (which finger is measured when the ring is worn on which hand). The rope should not be too tight, and it is advisable to feel uncomfortable with your fingers.

3. Mark the same position of two circles of rope with a pen. The mark should not be too thick, so as not to affect the accuracy of measurement.

4. Straighten the rope and measure the length between the two marks with a ruler, which corresponds to the circumference of the ring.

Because of the cold weather in winter, fingers are one to a half sizes thinner than those in summer. If you want to get a more accurate size, you can measure it at night. In summer, it is best to measure in the morning.

References:

Baidu Encyclopedia: American Names

References:

Baidu Encyclopedia: Ring