Mens Ring Size Chart

Most men don’t know their ring size until they have to figure it out for the big day. This can make it challenging or confusing when you’re shopping for mens engagement rings or mens bands, but we're here to help you with our men’s ring size chart.

Ring Diameter (MM)USA/CanadaUnited KingdomFranceGermanyJapanSwitzerland
15.6 mm.54915¾9
16.0 mm.L50¾1610½
16.5 mm.6M51½1212¾
16.9 mm.N52¾171314
17.3 mm.7O5417¼1415¼
17.7 mm.P55¼17¾1516½
18.2 mm.8Q56¾181617¾
18.6 mm.5818½1718½
19.0 mm.959¼191820
19.4 mm.60¾19½1921
19.8 mm.1061¾202021¾
20.2 mm.10½62¾20¼2222¾
20.6 mm.1164¼20¾2324
21.0 mm.11½66212425¾
21.4 mm.12Y67¼21¼2527½
21.8 mm.12½Z6821¾2628¾
22.2 mm.13Z + 169222729¼
22.6 mm.13½Z + 1.57122.6-31

Men’s Ring Size Chart