Ring Size
The size of the ring is a measure that indicates the circumference or sometimes the diameter of the smart rings as well as jewellery rings.
Tools for measuring
An analogic sizing stick for ring rings
Ring size can be determined through a paper, plastic, or metal ring sizer (as gauge) or simply by measuring the diameter of a ring that already fits.
Ring sticks are tools used to measure the inner dimensions of a ring. They generally made of delrin, plastic, wood, aluminium, or of various materials. For exact measurement, digital ringsticks can be used.
Measuring systems
International standard
ISO 8653 - 2016 defines standards for sizes of rings. It measures the diameter of the ring in millimetres. The ISO sizes are applicable in Austria (France, Germany, Belgium and Scandinavia (Norway. Sweden. Denmark. Finland. Iceland.)

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