Here's A Quick Way To Meaure Your Bangles. Multiple Size Gauges In Both Sae (inches) And Metric (millimeters), Measures Diameter From 1.12"(44.5mm) To 2.1"(66.6mm), Which Then Provides A Chart In Both Sae And Metric For Conversion To The Length Around. Also Measures In Aani. Approximate Measurement Purpose Not Intendee For Precise Trading.