Ring Size Chart in CM

Download our free printable ring size chart with measurements in centimeters. Perfect for international sizing and metric measurements with accurate sizing information.

Ring Size Chart in Centimeters - Metric Measurements

Our centimeter-based ring size chart provides accurate metric measurements for international sizing standards. Perfect for countries using the metric system and for precise measurement conversions.

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Ring Size Chart in CM

Complete ring sizing chart with measurements in centimeters, including diameter and circumference for all international standards.

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PDF Download

Printable CM Ring Sizer

Print-ready ring sizer with centimeter measurements and sizing circles for accurate at-home measurement.

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PDF Download

European Size Guide

European ring sizing with metric measurements and conversion chart for easy size determination.

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PDF Download

Metric Conversion Chart

Compare ring sizes across all international standards with centimeter measurements.

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Ring Size Measurements in Centimeters

US/Canada UK/Australia Europe Diameter (cm) Circumference (cm)
3 F 44 1.41 4.42
3.5 G 45.5 1.45 4.55
4 H 47 1.48 4.65
4.5 I 48.5 1.52 4.78
5 J 50 1.56 4.90
5.5 K 51.5 1.60 5.03
6 L 52.5 1.65 5.18
6.5 M 54 1.68 5.28
7 N 55.5 1.73 5.44
7.5 O 57 1.76 5.54
8 P 58.5 1.81 5.69
8.5 Q 60 1.84 5.79
9 R 61.5 1.89 5.95
9.5 S 63 1.92 6.05
10 T 64.5 1.98 6.21
10.5 U 66 2.01 6.31
11 V 67.5 2.06 6.46
11.5 W 69 2.09 6.56
12 X 70.5 2.14 6.72
12.5 Y 72 2.17 6.82
13 Z 73.5 2.22 6.97

How to Use Centimeter Ring Size Chart

1

Download and Print

Download our CM ring size chart and print at 100% scale. Verify accuracy using the scale reference line on the PDF.

2

Measure in Centimeters

Use a ruler or measuring tape marked in centimeters to measure the diameter of an existing ring, or wrap the strip around your finger.

3

Find Your Size

Match your measurement in centimeters to the corresponding ring size in the chart above.

4

Convert if Needed

Use the chart to convert between different international sizing standards (US, UK, EU) based on your CM measurement.

Benefits of Using Centimeter Measurements

  • Universal metric standard used worldwide
  • More precise than inch measurements for jewelry
  • Easy conversion between international sizing systems
  • Standard measurement system for European jewelers
  • Reduces sizing errors in international orders
  • Compatible with metric measuring tools

Important Measurement Tips:

  • Measure at room temperature (20-22°C) for consistent results
  • Round up to the nearest 0.1 cm if between measurements
  • For wide bands (>6mm), add 0.2-0.3 cm to your measurement
  • Verify measurements 2-3 times for accuracy
  • Consider seasonal finger size variations

Need Help with Conversions?

Use our online ring size converter to quickly convert between centimeters and other international sizing standards.

Use Size Converter