Ring Size
The ring's size is a measurement that denotes the circumference, or in some cases the diameter of the smart rings as well as jewelry rings.
Instruments for measuring
An analogic sizing stick for ring rings
The measurement of rings' sizes is possible using an instrument made of paper, metal or plastic ringsizing device (as as an indicator) or by measuring the ring's inner diameter.
Ring sticks are tools used to measure the inner size of rings. They are typically made from wood, plastic, delrin or aluminium, or different materials. You can use digital ring sticks for exact measurements.
Systems for measuring
International standard
ISO 19865:2016 defines standard ring sizes according to the internal diameter of the ring in millimetres. ISO sizes are used in Austria and France, Germany (Belgium), France, Germany.

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