Ring Size Measure - Ring Sizer

Measure your ring size with precision using the most easy-to-use ring sizer app — get accurate measurements every time!

Turn your iPhone into a professional ring sizer and finger sizer:
• Measure Ring Size With Precision – adjust the virtual ring until it fits, then fine-tune to get the exact diameter and size.
• Measurement In Inches Or Millimeters – switch effortlessly between Metric (mm) and Imperial (in) for whatever works best for you.
• Precise Measuring With Sizing Guides – follow visual guides to align your finger or ring perfectly, ensuring arrows are fully visible and no blue lines peek through.
• All Sizing Systems: USA, UK, EU & More – choose your preferred ring sizing system (USA/Canada, UK/Australia, European Union, Japan, Switzerland, and beyond).
• Save Sizes For Rings & Fingers – store measurements so you never lose track of your ring or finger sizes.
• Get Finger Size Measurements – easily capture finger width with intuitive slider controls and on-screen positioning arrows.
• #1 Ring Sizer For Accuracy – see diameter, circumference, exact size, nearest quarter, and half sizes at a glance.

Whether you’re shopping online, ordering custom jewelry, or just curious about your exact fit, our Ring Sizer brings professional accuracy to your pocket. 

Download now and never guess your ring size again!



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