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RingSizeConvert.com

Germany to US Ring Size

Enter a Germany or Netherlands size to find its US/Canada equivalent, or use the full reference table below.

Need to convert in reverse? Go to US to Germany Ring Size Converter →

Common Germany to US equivalents

These examples share the same inner diameter. Use the calculator for another size or an in-between measurement.

  • Germany 15.5 corresponds to US 5 at 15.7 mm.
  • Germany 17.5 corresponds to US 7 at 17.32 mm.
  • Germany 19 corresponds to US 9 at 18.95 mm.
How would you like to find your size?

Numeric size (e.g. 8) for US/Canada, EU, or Japan — or a letter size (e.g. P 1/2) for UK/Australia.

German sizes are based on inside diameter

Germany and the Netherlands commonly label a ring with its inside diameter in millimeters, rounded to the commercial size increment. US/Canada labels use a separate numeric scale. The table connects both labels to the same inside diameter, which is the dependable way to compare them.

Germany to US reference table

Germany to US ring size conversion
Germany / NetherlandsDE, NLUS / CanadaUS, CA, MXDiameter (mm)
Germany / NetherlandsDE, NL14US / CanadaUS, CA, MX3Diameter (mm)14.07
Germany / NetherlandsDE, NL14.5US / CanadaUS, CA, MX3.5Diameter (mm)14.48
Germany / NetherlandsDE, NL15US / CanadaUS, CA, MX4Diameter (mm)14.88
Germany / NetherlandsDE, NL15.5US / CanadaUS, CA, MX4.5Diameter (mm)15.29
Germany / NetherlandsDE, NL15.5US / CanadaUS, CA, MX5Diameter (mm)15.7
Germany / NetherlandsDE, NL16US / CanadaUS, CA, MX5.5Diameter (mm)16.1
Germany / NetherlandsDE, NL16.5US / CanadaUS, CA, MX6Diameter (mm)16.51
Germany / NetherlandsDE, NL17US / CanadaUS, CA, MX6.5Diameter (mm)16.92
Germany / NetherlandsDE, NL17.5US / CanadaUS, CA, MX7Diameter (mm)17.32
Germany / NetherlandsDE, NL17.5US / CanadaUS, CA, MX7.5Diameter (mm)17.73
Germany / NetherlandsDE, NL18US / CanadaUS, CA, MX8Diameter (mm)18.14
Germany / NetherlandsDE, NL18.5US / CanadaUS, CA, MX8.5Diameter (mm)18.54
Germany / NetherlandsDE, NL19US / CanadaUS, CA, MX9Diameter (mm)18.95
Germany / NetherlandsDE, NL19.5US / CanadaUS, CA, MX9.5Diameter (mm)19.35
Germany / NetherlandsDE, NL20US / CanadaUS, CA, MX10Diameter (mm)19.76
Germany / NetherlandsDE, NL20US / CanadaUS, CA, MX10.5Diameter (mm)20.17
Germany / NetherlandsDE, NL20.5US / CanadaUS, CA, MX11Diameter (mm)20.57
Germany / NetherlandsDE, NL21US / CanadaUS, CA, MX11.5Diameter (mm)20.98
Germany / NetherlandsDE, NL21.5US / CanadaUS, CA, MX12Diameter (mm)21.39
Germany / NetherlandsDE, NL22US / CanadaUS, CA, MX12.5Diameter (mm)21.79
Germany / NetherlandsDE, NL22US / CanadaUS, CA, MX13Diameter (mm)22.2

Rounded scale — Germany / Netherlands uses a coarser step than US half-sizes, so one value can cover two neighbouring US sizes. Check the millimeter columns when you need to tell them apart.