リングサイズ表

日本(号)
指輪内径(mm)
内周・指まわり(mm)
4号14mm44mm
4.5号14.2mm44.5mm
5号14.4mm45mm
5.5号14.6mm45.6mm
6号14.7mm46.1mm
6.5号14.9mm46.6mm
7号15.0mm47.1mm
7.5号15.2mm47.7mm
8号15.4mm48.2mm
8.5号15.6mm48.7mm
9号15.7mm49.2mm
9.5号15.9mm49.8mm
10号16.0mm50.3mm
10.5号16.2mm50.8mm
11号16.4mm51.3mm
11.5号16.6mm51.9mm
12号16.7mm52.4mm
12.5号16.9mm52.9mm
13号17.0mm53.4mm
13.5号17.2mm54mm
14号17.4mm54.5mm
14.5号17.6mm55mm
15号17.7mm55.5mm
15.5号17.9mm56mm
16号18mm56.5mm
16.5号18.2mm57.1mm
17号18.4mm57.6mm
17.5号18.6mm58.1mm
18号18.7mm58.6mm
18.5号18.9mm59.2mm
19号19mm59.7mm
19.5号19.2mm60.2mm
20号19.4mm60.7mm
20.5号19.6mm61.3mm
21号19.7mm61.8mm
21.5号19.9mm62.3mm
22号20.0mm62.8mm
22.5号20.2mm63.4mm
23号20.4mm63.9mm
23.5号20.6mm64.4mm
24号20.7mm64.8mm