A simple daily measurement method
Prepare tools: a piece of inelastic string (you can also use a long piece of paper instead), a pen, and a ruler with a scale.
3. Finally, use a graduated ruler to measure the distance between two points, and check the finger circumference size table.
Note: This measurement method will have a certain error, it is recommended to measure several times, take the middle value of the scale to reduce the error. In addition, it should be noted that the measurement of finger size should also pay attention to the season, because of the principle of thermal expansion and contraction, the weather is too cold or too hot is not suitable for measurement, it is best in the spring and autumn season, the time is more appropriate in the evening.
A special tool for measuring finger size is called a ring size stick, which consists of a graduated size stick and a ring of different sizes. The usage is to wear the ring one by one, find the most comfortable ring to wear, and read the number of engravings on the ring rod.
Third, jewelry store measurement
If you are afraid that your measurement is not accurate enough, you can personally go to the jewelry store, let the clerk carry out professional measurement and provide professional services.