Ring Size Converter

Convert finger circumference to standard ring sizes.

Circumference

Live Calculation

Diameter

18.14

US Ring Size

4.80

Live Step-by-Step Calculation

# Given Values:

Circumference: 57 mm

# Formula:
Diameter = c / 3.14159

# Substitution:
Diameter = 57 / 3.14159

Final Answer: 18.1437 mm

How it works

Diameter = \frac{C}{\pi}

Biological Formula Standard

How it Works

Diameter = \frac{C}{\pi}

AI Insight

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