Ring Sizer is an easy-to-use app for measuring the size of jewelry rings.


To determine the size of the ring, place it on the white circle on the phone screen and match the edge of the circle with the inner edge of your ring using the slider. The app will show the size of the ring in different measurement systems.


Key features:

• ring size determination by measuring its diameter or circumference;

• support of metric/imperial measurement units;

• support of popular measurement systems

• save measurement results;

• a ruler for measuring jewelry and other items.