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💍 Ring Size Calculator

Calculate perfect ring sizes and determine the exact wire length needed for your ring blanks with precision.

1

Ring Size Calculator

Select Your Country/System:

Enter Your Ring Size:

2

Ring Size Conversions

3

Wire Calculator

Wire Thickness (mm):

Band Width (mm) - Optional: Add 0.5mm extra if width > 4mm

4

Wire Length Result

[Inner Diameter + Metal Thickness] × π = Blank Length

This formula compensates for compression when soldering.

0.00 mm

Required Wire Length

📏 Measuring Tips for Ring Blanks

Always compensate for the thickness of the ring band before measuring
Curving ends together for soldering compresses the inside circumference
The formula includes additional length to allow for compression
Add an extra 0.5mm if the band width is over 4mm