RING SIZE Knowing the perfect size for your rings is very simple, here we share two ways to do it. Method 1 Step 1 Cut a strip of paper or yarn. Wrap the paper/thread around your finger. Mark the point where the paper/thread meet. Step 2 Measure the length of the paper/thread with a ruler. Use the chart to determine your ring size. favicon-claudia-trejos-web-firma Method 2 Put your ring on the scale. Measure the inner diameter of the ring. Use the chart to determine your ring size. favicon-claudia-trejos-web-firma Check your ring size in this following table with your method. Method 1 Method 2 US Ring Size UK Ring Size Circumference Diameter Size Size mm inch mm inch US 6.0 US 6.5 US 7.0 US 7.5 L 1/2 M 1/2 N 1/2 O 1/2 51,9 2,04 53,1 2,09 54,4 2,14 55,7 2,19 16,51 0,650 16,92 0,666 17,32 0,682 17,73 0,698