Ring Size

 

Ring size is a measure used to denote the circumference (or sometimes, the diameter) of jewellery rings as well as smart rings.



 



 Instruments for measuring



 



 An analogic sizing ring stick



 Measurements of ring sizes is possible using a paper, metal or plastic ring sizer (as an indicator) or using a ring's internal diameter.



 



 Ring sticks are tools used to determine the size of rings. They generally made of delrin, plastic, wood or aluminium, or multiple materials. It is possible to use digital ring sticks to measure precise measurements.



 



 Measurement system



 International standard



 ISO 8653 - 2016 defines standard ring sizes. It is measured by the circumference of the ring , measured in millimetres. The ISO sizes are used to measure the circumference of a ring in Austria (France, Germany, Belgium and Scandinavia (Norway. Sweden. Denmark. Finland. Iceland.)


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