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Ring Size Conversion Chart

The following chart will help you understand the international conversion of ring sizes. Before you get started, it's important to understand how to accurately measure your ring size. If you're unsure about how to measure, please refer to our 'How to Measure Your Ring Size' guide below.

Remember, each country has its own ring sizing standard. The forthcoming chart covers international ring sizes in inches and centimeters for USA, Canada, United Kingdom, France & Germany. In most instances it is important to know the inch / centimeters measurements when buying or ordering a ring.

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Ring Size Chart (Mens & Womens)

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IN MM USA/CANADA UNITED KINGDOM FRANCE GERMANY
1.7444.23F4414
1.7744.83.25F 1/244.62514.25
1.7945.53.5G45.2514.5
1.8246.13.75G 1/245.87514.75
1.8446.84H46.515
1.8747.44.25H 1/247.12515.25
1.89484.5I47.7515.5
1.9248.74.75J48.375---
1.9449.35J 1/24915.75
1.97505.25K49.62516
1.9950.65.5K 1/250.2516.25
2.0251.25.75L50.875---
2.0451.96L 1/251.5---
2.0752.56.25M52.12516.75
2.0953.16.5M 1/252.75---
2.1253.86.75N53.37517.25
2.1454.47N 1/254---
2.1755.17.25O54.62517.75
2.1955.77.5O 1/255.25---
2.2256.37.75P55.87518.25
2.24578P 1/256.518
2.2757.68.25Q57.12518.25
2.2958.38.5Q 1/257.7518.5
2.3258.98.75R58.37518.75
2.3459.59R 1/25919
2.3760.29.25S59.62519.25
2.3960.89.5S 1/260.2519.5
2.4261.49.75T60.87519.75
2.4462.110T 1/261.520
2.4762.710.25U62.12520.25
2.4963.410.5U 1/262.7520.5
2.526410.75V63.375---
2.5464.611V 1/26420.75
2.5765.311.25W64.625---
2.5965.911.5W 1/265.2521
2.6266.611.75X65.875---
2.6567.212X 1/266.521.25
2.6868.112.25Y67.12521.5
2.7168.512.5Z67.7521.75
2.7269.112.75Z 1/268.375---
2.7569.713---6922

Conversion Tips:

Use the below table to find the corresponding size across different countries and size systems. Keep in mind that ring sizes are not universal. Therefore always note your ring size in cm or inches and double check the country.

United States, Canada and Mexico have a numerical measuring system. They are for whole and half sizes. United Kingdom, Australia, New Zealand, South Africa and Ireland specify their ring sizes with letters for full and half sizes.

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