US → Germany
US 与 Germany 标准对照，支持毫米直径与周长换算。
US 至 Germany 尺码对照参考表
| US / CanadaUS, CA, MX | Germany / NetherlandsDE, NL | 内直径 (mm) |
|---|---|---|
| US / CanadaUS, CA, MX3 | Germany / NetherlandsDE, NL14 | 内直径 (mm)14.07 |
| US / CanadaUS, CA, MX3.5 | Germany / NetherlandsDE, NL14.5 | 内直径 (mm)14.48 |
| US / CanadaUS, CA, MX4 | Germany / NetherlandsDE, NL15 | 内直径 (mm)14.88 |
| US / CanadaUS, CA, MX4.5 | Germany / NetherlandsDE, NL15.5 | 内直径 (mm)15.29 |
| US / CanadaUS, CA, MX5 | Germany / NetherlandsDE, NL15.5 | 内直径 (mm)15.7 |
| US / CanadaUS, CA, MX5.5 | Germany / NetherlandsDE, NL16 | 内直径 (mm)16.1 |
| US / CanadaUS, CA, MX6 | Germany / NetherlandsDE, NL16.5 | 内直径 (mm)16.51 |
| US / CanadaUS, CA, MX6.5 | Germany / NetherlandsDE, NL17 | 内直径 (mm)16.92 |
| US / CanadaUS, CA, MX7 | Germany / NetherlandsDE, NL17.5 | 内直径 (mm)17.32 |
| US / CanadaUS, CA, MX7.5 | Germany / NetherlandsDE, NL17.5 | 内直径 (mm)17.73 |
| US / CanadaUS, CA, MX8 | Germany / NetherlandsDE, NL18 | 内直径 (mm)18.14 |
| US / CanadaUS, CA, MX8.5 | Germany / NetherlandsDE, NL18.5 | 内直径 (mm)18.54 |
| US / CanadaUS, CA, MX9 | Germany / NetherlandsDE, NL19 | 内直径 (mm)18.95 |
| US / CanadaUS, CA, MX9.5 | Germany / NetherlandsDE, NL19.5 | 内直径 (mm)19.35 |
| US / CanadaUS, CA, MX10 | Germany / NetherlandsDE, NL20 | 内直径 (mm)19.76 |
| US / CanadaUS, CA, MX10.5 | Germany / NetherlandsDE, NL20 | 内直径 (mm)20.17 |
| US / CanadaUS, CA, MX11 | Germany / NetherlandsDE, NL20.5 | 内直径 (mm)20.57 |
| US / CanadaUS, CA, MX11.5 | Germany / NetherlandsDE, NL21 | 内直径 (mm)20.98 |
| US / CanadaUS, CA, MX12 | Germany / NetherlandsDE, NL21.5 | 内直径 (mm)21.39 |
| US / CanadaUS, CA, MX12.5 | Germany / NetherlandsDE, NL22 | 内直径 (mm)21.79 |
| US / CanadaUS, CA, MX13 | Germany / NetherlandsDE, NL22 | 内直径 (mm)22.2 |