How do I find my girlfriend’s ring size?

How do I find my girlfriend’s ring size?

Tell her you learned an amazing fact — if you take your shoe size, divide by two and add three, you get your ring size. Have her walk you through this calculation if you can, obviously. Buy a cheap costume jewelry ring in the size you think she might be, but not so cheap it is open in the back.

How can I calculate my ring size?

There is a plethora of these types of apps on both the iTunes App store and Android for free, and they are often associated with a diamond jeweler – clever. … Look for the free apps like ones called Ring Sizer, Gemporia Ring Sizer or Ring Sizer from Jason Withers, which all do the job.