Follow these video tutorials and pro tips to figure out how to measure your ring size at home. Plus, shop the helpful tools to make ring sizing even easier.

The chart asks you to put a ring you already own on the chart so you can see the size, but since he didn't have one, he used the scotch tape loop instead.

You can calculate your ring size at home by wrapping a piece of string around your finger and measuring the length of the string with a ring size chart.